CISA Alert AA22-152A – Karakurt Data Extortion Group. CISA Cybersecurity Alerts podcast

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.…

CISA Cybersecurity Alerts

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

2 years之前2:41

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.…

CISA Cybersecurity Alerts

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

2 years之前2:43

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.…

CISA Cybersecurity Alerts

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

2 years之前2:52

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.…

CISA Cybersecurity Alerts

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

2 years之前2:36

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.…

CISA Cybersecurity Alerts

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

2 years之前3:19

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.…

CISA Cybersecurity Alerts

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

2 years之前2:45

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.…

CISA Cybersecurity Alerts

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

2 years之前2:39

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.…

CISA Cybersecurity Alerts

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

2 years之前2:48

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.…

CISA Cybersecurity Alerts

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

2 years之前2:52

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.…

CISA Cybersecurity Alerts

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

2 years之前2:46

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.…

CISA Cybersecurity Alerts

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

2 years之前3:01

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.…

CISA Cybersecurity Alerts

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

2 years之前2:50

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.…

CISA Cybersecurity Alerts

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

2 years之前2:41

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.…

CISA Cybersecurity Alerts

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

2 years之前2:40