CISA Alert AA22-137A – Weak security controls and practices routinely exploited for initial access.

CISA Cybersecurity Alerts

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This joint cybersecurity advisory was coauthored by the cybersecurity authorities of the US, Canada, New Zealand, the Netherlands, and the UK. Cyber actors routinely exploit poor security configurations, weak controls, and other poor cyber hygiene practices to gain initial access or as part of other tactics to compromise a victim’s system. This joint Cybersecurity Advisory identifies commonly exploited controls and practices, and includes best practices to mitigate these risks.

AA22-137A Alert, Technical Details, and Mitigations

White House Executive Order on Improving the Nation’s Cybersecurity

NCSC-NL Factsheet: Prepare for Zero Trust

NCSC-NL Guide to Cyber Security Measures

N-able Blog: Intrusion Detection System (IDS): Signature vs. Anomaly-Based

NCSC-NL Guide to Cyber Security Measures

National Institute of Standards and Technology SP 800-123 – Keeping Servers Secured

NCSC-UK Guidance – Phishing Attacks: Defending Your Organisation

Open Web Application Security Project (OWASP) Proactive Controls: Enforce Access Controls

All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov.

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52 episod

#Tech #News #Tech News #Government #CyberWire

CISA Alert AA22-137A – Weak security controls and practices routinely exploited for initial access.

CISA Cybersecurity Alerts

published 3 years ago

Kongsi

MP3•Laman utama episod

AA22-137A Alert, Technical Details, and Mitigations

White House Executive Order on Improving the Nation’s Cybersecurity

NCSC-NL Factsheet: Prepare for Zero Trust

NCSC-NL Guide to Cyber Security Measures

N-able Blog: Intrusion Detection System (IDS): Signature vs. Anomaly-Based

NCSC-NL Guide to Cyber Security Measures

National Institute of Standards and Technology SP 800-123 – Keeping Servers Secured

NCSC-UK Guidance – Phishing Attacks: Defending Your Organisation

Open Web Application Security Project (OWASP) Proactive Controls: Enforce Access Controls

Learn more about your ad choices. Visit megaphone.fm/adchoices

52 episod

#Tech #News #Tech News #Government #CyberWire

Alle afleveringen

CISA Cybersecurity Alerts

1
CISA Alert AA23-165A – Understanding Ransomware Threat Actors: LockBit. 2:43

2 years ago2:43

2:43

CISA, FBI, the MS-ISAC, and international partners are releasing this Cybersecurity Advisory to detail LockBit ransomware incidents and provide recommended mitigations to enable network defenders to proactively improve their organization’s defenses against this ransomware operation. AA23-165A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. See the Center for Internet Security (CIS) Critical Security Controls (CIS Controls) https://www.cisecurity.org/insights/white-papers/cis-community-defense-model-2-0 for information on strengthening an organization’s cybersecurity posture through implementing a prescriptive, prioritized, and simplified set of best. See the CIS Community Defense Model 2.0 (CDM 2.0) for the effectiveness of the CIS Controls against the most prevalent types of attacks and how CDM 2.0 can be used to design, prioritize, implement, and improve an organization’s cybersecurity program. See Blueprint for Ransomware Defense for a clear, actionable framework for ransomware mitigation, response, and recovery built around the CIS Controls. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-158A – #StopRansomware: CL0P Ransomware Gang Exploits CVE-2023-34362 MOVEit Vulnerability. 2:41

2 years ago2:41

2:41

FBI and CISA are releasing this joint CSA to disseminate known CL0P ransomware IOCs and TTPs identified through FBI investigations as recently as June 2023. AA23-158A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . Zero-Day Vulnerability in MOVEit Transfer Exploited for Data Theft | Mandiant MOVEit Transfer Critical Vulnerability (May 2023) - Progress Community MOVEit Transfer Critical Vulnerability CVE-2023-34362 Rapid Response (huntress.com) No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-144A – People's Republic of China state-sponsored cyber actor living off the land to evade detection. 2:43

2 years ago2:43

2:43

Cybersecurity authorities are issuing this joint Cybersecurity Advisory to highlight a recent cluster of activity associated with a People’s Republic of China state-sponsored cyber actor, also known as Volt Typhoon. AA23-144A Alert, Technical Details, and Mitigations Active Directory and domain controller hardening: Best Practices for Securing Active Directory | Microsoft Learn CISA regional cyber threats: China Cyber Threat Overview and Advisories Microsoft Threat Intelligence blog: Volt Typhoon targets US critical infrastructure with living-off-the-land techniques | Microsoft Security Blog No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-136A – #StopRansomware: BianLian Ransomware Group. 2:52

2 years ago2:52

2:52

FBI, CISA, and the Australian Cyber Security Centre are releasing this joint Cybersecurity Advisory to disseminate known BianLian ransomware and data extortion group IOCs and TTPs identified through FBI and ACSC investigations as of March 2023. AA23-136A Alert, Technical Details, and Mitigations AA23-136A.STIX_.xml Stopransomware.gov , a whole-of-government approach with one central location for U.S. ransomware resources and alerts. cyber.gov.au for the Australian Government’s central location to report cyber incidents, including ransomware, and to see advice and alerts. The site also provides ransomware advisories for businesses and organizations to help mitigate cyber threats. CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide for guidance on mitigating and responding to a ransomware attack No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-131A – Malicious Actors Exploit CVE-2023-27350 in PaperCut MF and NG. 2:36

2 years ago2:36

2:36

FBI and CISA are releasing this joint Cybersecurity Advisory in response to the active exploitation of CVE-2023-27350. This vulnerability occurs in certain versions of PaperCut NG and PaperCut MF, software applications that help organizations manage printing services, and enables an unauthenticated actor to execute malicious code remotely without credentials. AA23-131A Alert, Technical Details, and Mitigations PaperCut: URGENT | PaperCut MF/NG vulnerability bulletin (March 2023) Huntress: Critical Vulnerabilities in PaperCut Print Management Software No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-129A – Hunting Russian intelligence “Snake” malware. 3:19

2 years ago3:19

3:19

The Snake implant is considered the most sophisticated cyber espionage tool designed and used by Center 16 of Russia’s Federal Security Service, or FSB, for long-term intelligence collection on sensitive targets. AA23-129A Alert, Technical Details, and Mitigations For more information on FSB and Russian state-sponsored cyber activity, please see the joint advisory Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure and CISA’s Russia Cyber Threat Overview and Advisories webpage . No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-108A – APT28 exploits known vulnerability to carry out reconnaissance and deploy malware on Cisco routers. 2:45

2 years ago2:45

2:45

The UK National Cyber Security Centre (NCSC), NSA, CISA, and FBI are releasing this joint advisory to provide TTPs associated with APT28’s exploitation of Cisco routers in 2021. AA23-108A Alert, Technical Details, and Mitigations Malware Analysis Report Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-075A – #StopRansomware: LockBit 3.0. 2:39

2 years ago2:39

2:39

CISA, FBI, and the Multi-State Information Sharing and Analysis Center are releasing this joint advisory to share known LockBit 3.0 ransomware IOCs and TTPs identified through FBI investigations as recently as March 2023. AA23-075A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-074A – Threat actors exploit progress telerik vulnerability in U.S. government IIS server. 2:48

2 years ago2:48

2:48

CISA, FBI, and the Multi-State Information Sharing and Analysis Center are releasing this joint Cybersecurity Advisory to provide IT infrastructure defenders with TTPs, IOCs, and methods to detect and protect against recent exploitation against Microsoft Internet Information Services web servers. AA23-074A Alert, Technical Details, and Mitigations AA23-074A STIX XML MAR-10413062-1.v1 Telerik Vulnerability in U.S. Government IIS Server Telerik: Exploiting .NET JavaScriptSerializer Deserialization (CVE-2019-18935) ACSC Advisory 2020-004 Bishop Fox CVE-2019-18935: Remote Code Execution via Insecure Deserialization in Telerik UI Volexity Threat Research: XE Group GitHub: Proof-of-Concept Exploit for CVE-2019-18935 Microsoft: Configure Logging in IIS GitHub: CVE-2019-18935 No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-061A – #StopRansomware: Royal ransomware. 2:52

2 years ago2:52

2:52

CISA and FBI are releasing this joint advisory to disseminate known Royal ransomware IOCs and TTPs identified through recent FBI threat response activities. AA23-061A Alert, Technical Details, and Mitigations AA23-061A STIX XML Royal Rumble: Analysis of Royal Ransomware (cybereason.com) DEV-0569 finds new ways to deliver Royal ransomware, various payloads - Microsoft Security Blog 2023-01: ACSC Ransomware Profile - Royal | Cyber.gov.au See Stopransomware.gov , a whole-of-government approach, for ransomware resources and alerts. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-059A – CISA red team shares key findings to improve monitoring and hardening of networks. 2:46

2 years ago2:46

2:46

The Cybersecurity and Infrastructure Security Agency is releasing this Cybersecurity Advisory detailing activity and key findings from a recent CISA red team assessment—in coordination with the assessed organization—to provide network defenders recommendations for improving their organization's cyber posture. AA23-059A Alert, Technical Details, and Mitigations No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-040A – #StopRansomware: ransomware attacks on critical infrastructure fund DPRK malicious cyber activities. 3:01

2 years ago3:01

3:01

CISA, NSA, FBI, the US Department of Health and Human Services, the Republic of Korea National Intelligence Service, and the Republic of Korea Defense Security Agency are issuing this alert to highlight ongoing ransomware activity against Healthcare and Public Health Sector organizations and other critical infrastructure sector entities. AA23-040A Alert, Technical Details, and Mitigations CISA’s North Korea Cyber Threat Overview and Advisories webpage. Stairwell provided a YARA rule to identify Maui ransomware, and a Proof of Concept public RSA key extractor at the following link: https://www.stairwell.com/news/threat-research-report-maui-ransomware/ See Stopransomware.gov , a whole-of-government approach, for ransomware resources and alerts. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-039A – ESXiArgs ransomware virtual machine recovery guidance. 2:50

2 years ago2:50

2:50

CISA and the FBI are releasing this alert in response to the ongoing ransomware campaign, known as “ESXiArgs.” Malicious actors are exploiting known vulnerabilities in VMware ESXi servers that are likely running unpatched and out-of-service or out-of-date versions of VMware ESXi software to gain access and deploy ransomware. AA23-039A Alert, Technical Details, and Mitigations CISA has released an ESXiArgs recovery script at github.com/cisagov/ESXiArgs-Recover VMware Security Response Center (vSRC) Response to 'ESXiArgs' Ransomware Attack… Enes Sonmez and Ahmet Aykac, YoreGroup Tech Team: decrypt your crypted files in… See Stopransomware.gov , a whole-of-government approach, for ransomware resources and alerts. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA23-025A – Protecting against malicious use of remote monitoring and management software 2:41

2 years ago2:41

2:41

CISA, NSA, and the MS-ISAC are releasing this alert to warn network defenders about malicious use of legitimate remote monitoring and management software. AA23-025A Alert, Technical Details, and Mitigations For a downloadable copy of IOCs, see AA23-025.stix Silent Push uncovers a large trojan operation featuring Amazon, Microsoft, Geek Squad, McAfee, Norton, and Paypal domains No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . See CISA Insights Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses for guidance on hardening MSP and customer infrastructure. U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-335A – #StopRansomware: Cuba Ransomware 2:40

2 years ago2:40

2:40

The FBI and CISA are releasing this alert to disseminate known Cuba Ransomware Group indicators of compromise and TTPs identified through FBI investigations. FBI and CISA would like to thank BlackBerry, ESET, The National Cyber-Forensics and Training Alliance (NCFTA), and Palo Alto Networks for their contributions to this CSA. AA22-335A Alert, Technical Details, and Mitigations For a downloadable copy of IOCs, see AA22-335A.stix Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-321A – #StopRansomware: Hive Ransomware. 3:00

2 years ago3:00

3:00

The FBI, CISA, and the Department of Health and Human Services are releasing this alert to disseminate known Hive Ransomware Group indicators of compromise and TTPs identified through FBI investigations. AA22-321A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-320A – Iranian government-sponsored APT actors compromise federal network, deploy crypto miner, credential harvester. 2:49

2 years ago2:49

2:49

From mid-June through mid-July 2022, CISA conducted an incident response engagement at a Federal Civilian Executive Branch organization where CISA observed suspected advanced persistent threat activity. In the course of incident response activities, CISA determined that cyber threat actors exploited the Log4Shell vulnerability in an unpatched VMware Horizon server, installed XMRig crypto mining software, moved laterally to the domain controller, compromised credentials, and then implanted Ngrok reverse proxies on several hosts to maintain persistence. AA22-320A Alert, Technical Details, and Mitigations Malware Analysis Report MAR 10387061-1.v1 For more information on Iranian government-sponsored Iranian malicious cyber activity, see CISA’s Iran Cyber Threat Overview and Advisories webpage and FBI’s Iran Threats webpage. CISA offers several no-cost scanning and testing services to help organizations reduce their exposure to threats by taking a proactive approach to mitigating attack vectors. See www.cisa.gov/cyber-hygiene-services U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-294A – #StopRansomware: Daixin Team. 2:31

2 years ago2:31

2:31

FBI, CISA, and Department of Health and Human Services are releasing this joint advisory to provide information on the Daixin Team, a cybercrime group that is actively targeting U.S. businesses, predominantly in the Healthcare and Public Health Sector. AA22-294A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide . Ongoing Threat Alerts and Sector alerts are produced by the Health Sector Cybersecurity Coordination Center (HC3) and can be found at hhs.gov/HC3 For additional best practices for Healthcare cybersecurity issues see the HHS 405(d) Aligning Health Care Industry Security Approaches at 405d.hhs.gov CISA offers several no-cost scanning and testing services to help organizations reduce their exposure to threats by taking a proactive approach to mitigating attack vectors. See www.cisa.gov/cyber-hygiene-services U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-279A – Top CVEs actively exploited by People’s Republic of China state-sponsored cyber actors. 2:37

3 years ago2:37

2:37

This joint Cybersecurity Advisory provides the top CVEs used by the People’s Republic of China state-sponsored cyber actors. PRC cyber actors continue to exploit these known vulnerabilities and use publicly available tools to target networks of interest. PRC state-sponsored cyber actors have actively targeted U.S. and allied networks as well as software and hardware companies to steal intellectual property and develop access into sensitive networks. AA22-279A Alert, Technical Details, and Mitigations For more information on PRC state-sponsored malicious cyber activity, see CISA’s China Cyber Threat Overview and Advisories webpage , FBI’s Industry Alerts , and NSA’s Cybersecurity Advisories & Guidance . People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices CISA offers several no-cost scanning and testing services to help organizations reduce their exposure to threats by taking a proactive approach to mitigating attack vectors. See www.cisa.gov/cyber-hygiene-services U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System (PDNS) services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-277A – Impacket and exfiltration tool used to steal sensitive information from defense industrial base organization. 2:54

3 years ago2:54

2:54

From November 2021 through January 2022, the CISA responded to APT activity against a Defense Industrial Base organization’s enterprise network. During incident response activities, CISA discovered that multiple APT groups compromised the organization’s network, and some APT actors had long-term access to the environment. APT actors used an open-source toolkit called Impacket to gain their foothold within the environment and further compromise the network, and also used a custom data exfiltration tool, CovalentStealer, to steal the victim’s sensitive data. AA22-277A Alert, Technical Details, and Mitigations CISA Cyber Hygiene Services Malware Analysis Report (MAR)-10365227-1.stix MAR-10365227-2.stix MAR-10365227-3.stix CISA offers several no-cost scanning and testing services to help organizations reduce their exposure to threats by taking a proactive approach to mitigating attack vectors. See www.cisa.gov/cyber-hygiene-services U.S. DIB sector organizations may consider signing up for the NSA Cybersecurity Collaboration Center’s DIB Cybersecurity Service Offerings, including Protective Domain Name System (PDNS) services, vulnerability scanning, and threat intelligence collaboration for eligible organizations. For more information on how to enroll in these services, email dib_defense@cyber.nsa.gov To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-265A – Control system defense: know the opponent. 3:09

3 years ago3:09

3:09

This alert builds on previous NSA and CISA guidance to stop malicious ICS activity and reduce OT exposure. The alert documentation linked in the show notes describes TTPs that malicious actors use to compromise OT/ICS assets. It also recommends mitigations that owners and operators can use to defend their systems from each of the listed TTPs. NSA and CISA encourage OT and ICS owners and operators to apply the recommendations in this documentation. AA22-265A Alert, Technical Details, and Mitigations NSA and CISA guidance to stop malicious ICS activity and reduce OT exposure For NSA client requirements or general cybersecurity inquiries, contact Cybersecurity_Requests@nsa.gov . To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov . To report incidents and anomalous activity or to request incident response resources or technical assistance related to these threats, contact CISA at report@cisa.gov , or call (888) 282-0870, or report incidents to your local FBI field office. Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-264A – Iranian state actors conduct cyber operations against the government of Albania. 3:09

3 years ago3:09

3:09

In July 2022, Iranian state cyber actors—identifying as “HomeLand Justice”—launched a destructive cyber attack against the Government of Albania which rendered websites and services unavailable. An FBI investigation indicates Iranian state cyber actors acquired initial access to the victim’s network approximately 14 months before launching the destructive cyber attack, which included a ransomware-style file encryptor and disk wiping malware. AA22-264A Alert, Technical Details, and Mitigations CISA’s free Cyber Hygiene Services (CyHy) CISA’s zero–trust principles and architecture . Iran Cyber Threat Overview and Advisories . All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-257A – Iranian Islamic Revolutionary Guard Corps-Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations. 2:31

3 years ago2:31

2:31

This joint Cybersecurity Advisory highlights continued malicious cyber activity by advanced persistent threat actors affiliated with the Iranian Government’s Islamic Revolutionary Guard Corps. The IRGC-affiliated actors are actively targeting a broad range of entities, including entities across multiple U.S. critical infrastructure sectors as well as Australian, Canadian, and United Kingdom organizations. AA22-257A Alert, Technical Details, and Mitigations AA22-257A.stix CISA’s Iran Cyber Threat Overview and Advisories FBI’s Iran Threat webpage. Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities Technical Approaches to Uncovering and Remediating Malicious Activity All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-249A – #StopRansomware: Vice Society.” 3:23

3 years ago3:23

3:23

CISA, the FBI, and the Multi-State Information Sharing and Analysis Center, or MS ISAC, are releasing this advisory to disseminate indicators of compromise and TTPs associated with Vice Society actors and their ransomware campaigns. The FBI, CISA, and the MS-ISAC have recently observed Vice Society actors disproportionately targeting the education sector with ransomware attacks. AA22-249A Alert, Technical Details, and Mitigations Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. Resource to mitigate a ransomware attack: CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-228A – Threat actors exploiting multiple CVEs against Zimbra Collaboration suite. 2:31

3 years ago2:31

2:31

CISA and the Multi-State Information Sharing & Analysis Center, or MS-ISAC are publishing this joint Cybersecurity Advisory in response to active exploitation of multiple Common Vulnerabilities and Exposures against Zimbra Collaboration Suite, an enterprise cloud-hosted collaboration software and email platform. AA22-228A Alert, Technical Details, and Mitigations Volexity’s Mass Exploitation of (Un)authenticated Zimbra RCE: CVE-2022-27925 Hackers are actively exploiting password-stealing flaw in Zimbra CISA adds Zimbra email vulnerability to its exploited vulnerabilities catal… CVE-2022-27925 detail Mass exploitation of (un)authenticated Zimbra RCE: CVE-2022-27925 CVE-2022-37042 detail Authentication bypass in MailboxImportServlet vulnerability CVE-2022-30333 detail UnRAR vulnerability exploited in the wild, likely against Zimbra servers Zimbra Collaboration Kepler 9.0.0 patch 25 GA release Zimbra UnRAR path traversal Operation EmailThief: Active exploitation of zero-day XSS vulnerability in… Hotfix available 5 Feb for zero-day exploit vulnerability in Zimbra 8.8.15 All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-223A – #StopRansomware: Zeppelin Ransomware. 3:16

3 years ago3:16

3:16

Zeppelin ransomware functions as a ransomware-as-a-service (RaaS), and since 2019, actors have used this malware to target a wide range of businesses and critical infrastructure organizations. Actors use remote desktop protocol (RDP), SonicWall firewall vulnerabilities, and phishing campaigns to gain initial access to victim networks and then deploy Zeppelin ransomware to encrypt victims’ files. AA22-223A Alert, Technical Details, and Mitigations Zeppelin malware YARA signature What is Zeppelin Ransomware? Steps to Prepare, Respond, and Prevent Infection Stopransomware.gov is a whole-of-government approach that gives one central location for ransomware resources and alerts. No-cost cyber hygiene services: Cyber Hygiene Services and Ransomware Readiness Assessment . This joint Cybersecurity Advisory is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed TTPs and IOCs to help organizations protect against ransomware. Visit stopransomware.gov to see all #StopRansomware advisories and to learn more about other ransomware threats and no-cost resources. All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-216A – 2021 top malware strains. 3:18

3 years ago3:18

3:18

This joint Cybersecurity Advisory was coauthored by CISA and the Australian Cyber Security Centre, or ACSC. This advisory provides details on the top malware strains observed in 2021. AA22-216A Alert, Technical Details, and Mitigations For alerts on malicious and criminal cyber activity, see the FBI Internet Crime Complaint Center webpage. For more information and resources on protecting against and responding to ransomware, refer to StopRansomware.gov , a centralized, U.S. Government webpage providing ransomware resources and alerts. The ACSC recommends organizations implement eight essential mitigation strategies from the ACSC’s Strategies to Mitigate Cyber Security Incidents as a cybersecurity baseline. These strategies, known as the “Essential Eight,” make it much harder for adversaries to compromise systems. Refer to the ACSC’s practical guides on how to protect yourself against ransomware attacks and what to do if you are held at ransom at cyber.gov.au . All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

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Update 1 to CISA Alert AA22-174A – Malicious cyber actors continue to exploit Log4Shell in VMware Horizon systems. 3:32

3 years ago3:32

3:32

CISA and the US Coast Guard Cyber Command are releasing this joint Cybersecurity Advisory to warn network defenders that cyber threat actors, including state-sponsored APT actors, have continued to exploit CVE-2021-44228 (Log4Shell) in VMware Horizon and Unified Access Gateway servers to obtain initial access to organizations that did not apply available patches or workarounds. AA22-174A Alert, Technical Details, and Mitigations (Update July 18, 2022) Malware Analysis Report 10382580-2 stix Malware Analysis Report 10382254-1 stix Malware Analysis Report 10382580-1 stix CISA’s Apache Log4j Vulnerability Guidance webpage Joint CSA Mitigating Log4Shell and Other Log4j-Related Vulnerabilities CISA’s database of known vulnerable services on the CISA GitHub page See National Security Agency (NSA) and Australian Signals Directorate (ASD) guidance Block and Defend Web Shell Malware for additional guidance on hardening internet-facing systems. All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-187A – North Korean state-sponsored cyber actors use Maui ransomware to target the healthcare and public health sector. 2:58

3 years ago2:58

2:58

The FBI, CISA, and the Department of the Treasury are releasing this joint Cybersecurity Advisory to provide information on Maui ransomware, which has been used by North Korean state-sponsored cyber actors since at least May 2021 to target Healthcare and Public Health Sector organizations. AA22-187A Alert, Technical Details, and Mitigations Stairwell Threat Report: Maui Ransomware North Korea Cyber Threat Overview and Advisories Updated Advisory on Potential Sanctions Risks for Facilitating Ransomware Payments National Conference of State Legislatures: Security Breach Notification Laws Health Breach Notification Rule Protecting Sensitive and Personal Information from Ransomware-Caused Data Breaches StopRansomware.gov CISA-Multi-State Information Sharing and Analysis Center (MS-ISAC) Joint Ransomware Guide All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

CISA Cybersecurity Alerts

1
CISA Alert AA22-181A – #StopRansomware: MedusaLocker. 3:09

3 years ago3:09

3:09

CISA, the FBI, the Department of the Treasury, and the Financial Crimes Enforcement Network are releasing this alert to provide information on MedusaLocker ransomware. Observed as recently as May 2022, MedusaLocker actors predominantly rely on vulnerabilities in Remote Desktop Protocol to access victims’ networks. AA22-181A Alert, Technical Details, and Mitigations Stop Ransomware CISA Ransomware Guide CISA No-cost Ransomware Services All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov . Learn more about your ad choices. Visit megaphone.fm/adchoices…

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CISA Alert AA22-137A – Weak security controls and practices routinely exploited for initial access.