Podcast
CISA Cybersecurity Alerts
Hosted by N2K Networks · EN
Flash cybersecurity advisories from the US Government. These alerts provide timely technical and operational information, indicators of compromise, and mitigations for current major security threats, vulnerabilities, and exploits. These alerts have been edited and adapted for audio by N2K Networks as a public service.
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Episodes
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CISA Alert AA23-165A – Understanding Ransomware Threat Actors: LockBit.
Jun 15, 202300:02:43Tap to summarizeCISA, 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 MitigationsStopransomware.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
Transcribe →CISA Alert AA23-158A – #StopRansomware: CL0P Ransomware Gang Exploits CVE-2023-34362 MOVEit Vulnerability.
Jun 9, 202300:02:41Tap to summarizeFBI 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 MitigationsStopransomware.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 | MandiantMOVEit Transfer Critical Vulnerability (May 2023) - Progress CommunityMOVEit 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
Transcribe →CISA Alert AA23-144A – People's Republic of China state-sponsored cyber actor living off the land to evade detection.
May 25, 202300:02:43Tap to summarizeCybersecurity 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 MitigationsActive Directory and domain controller hardening: Best Practices for Securing Active Directory | Microsoft LearnCISA regional cyber threats: China Cyber Threat Overview and AdvisoriesMicrosoft Threat Intelligence blog: Volt Typhoon targets US critical infrastructure with living-off-the-land techniques | Microsoft Security BlogNo-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
Transcribe →CISA Alert AA23-136A – #StopRansomware: BianLian Ransomware Group.
May 18, 202300:02:52Tap to summarizeFBI, 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 MitigationsAA23-136A.STIX_.xmlStopransomware.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 attackNo-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
Transcribe →CISA Alert AA23-131A – Malicious Actors Exploit CVE-2023-27350 in PaperCut MF and NG.
May 12, 202300:02:36Tap to summarizeFBI 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 MitigationsPaperCut: URGENT | PaperCut MF/NG vulnerability bulletin (March 2023)Huntress: Critical Vulnerabilities in PaperCut Print Management SoftwareNo-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
Transcribe →CISA Alert AA23-129A – Hunting Russian intelligence “Snake” malware.
May 11, 202300:03:19Tap to summarizeThe 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 MitigationsFor 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
Transcribe →CISA Alert AA23-108A – APT28 exploits known vulnerability to carry out reconnaissance and deploy malware on Cisco routers.
Apr 20, 202300:02:45Tap to summarizeThe 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 MitigationsMalware Analysis ReportResource 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
Transcribe →CISA Alert AA23-075A – #StopRansomware: LockBit 3.0.
Mar 18, 202300:02:39Tap to summarizeCISA, 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 MitigationsStopransomware.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
Transcribe →CISA Alert AA23-074A – Threat actors exploit progress telerik vulnerability in U.S. government IIS server.
Mar 16, 202300:02:48Tap to summarizeCISA, 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 MitigationsAA23-074A STIX XMLMAR-10413062-1.v1 Telerik Vulnerability in U.S. Government IIS ServerTelerik: Exploiting .NET JavaScriptSerializer Deserialization (CVE-2019-18935)ACSC Advisory 2020-004Bishop Fox CVE-2019-18935: Remote Code Execution via Insecure Deserialization in Telerik UIVolexity Threat Research: XE GroupGitHub: Proof-of-Concept Exploit for CVE-2019-18935Microsoft: Configure Logging in IISGitHub: CVE-2019-18935No-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
Transcribe →CISA Alert AA23-061A – #StopRansomware: Royal ransomware.
Mar 3, 202300:02:52Tap to summarizeCISA 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 MitigationsAA23-061A STIX XMLRoyal Rumble: Analysis of Royal Ransomware (cybereason.com)DEV-0569 finds new ways to deliver Royal ransomware, various payloads - Microsoft Security Blog2023-01: ACSC Ransomware Profile - Royal | Cyber.gov.auSee 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
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