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CISA Cybersecurity Alerts

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.

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

2 mins; June 15, 2023

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

2 mins; June 09, 2023

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

2 mins; May 25, 2023

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

2 mins; May 18, 2023

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

2 mins; May 12, 2023

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

3 mins; May 11, 2023

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

2 mins; April 20, 2023

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

2 mins; March 18, 2023

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

2 mins; March 16, 2023

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

2 mins; March 03, 2023

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

2 mins; March 03, 2023

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

3 mins; February 10, 2023

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

2 mins; February 09, 2023

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

2 mins; January 26, 2023

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

2 mins; December 07, 2022

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

3 mins; November 17, 2022

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

2 mins; November 16, 2022

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

2 mins; October 23, 2022

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

2 mins; October 07, 2022

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

2 mins; October 04, 2022

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

3 mins; September 22, 2022

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

3 mins; September 22, 2022

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

2 mins; September 15, 2022

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

3 mins; September 06, 2022

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

2 mins; August 17, 2022

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

3 mins; August 11, 2022

CISA Alert AA22-216A – 2021 top malware strains.

3 mins; August 03, 2022

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

3 mins; July 18, 2022

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

2 mins; July 06, 2022

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

3 mins; June 30, 2022

CISA Alert AA22-174A – Malicious cyber actors continue to exploit Log4Shell in VMware Horizon systems.

3 mins; June 24, 2022

CISA Alert AA22-158A – People’s Republic of China state-sponsored cyber actors exploit network providers and devices.

3 mins; June 08, 2022

Update 1 to CISA Alert AA22-138B – Threat actors chaining unpatched VMware vulnerabilities for full system control.

2 mins; June 07, 2022

CISA Alert AA22-152A – Karakurt data extortion group.

2 mins; June 01, 2022

CISA Alert AA22-138B – Threat actors chaining unpatched VMware vulnerabilities for full system control.

3 mins; May 20, 2022

CISA Alert AA22-138A – Threat Actors Exploiting F5 BIG-IP CVE-2022-1388.

3 mins; May 18, 2022

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

2 mins; May 17, 2022

CISA Alert AA22-131A – Protecting against cyber threats to managed service providers and their customers.

3 mins; May 12, 2022

Update 1 to CISA Alert AA22-076A – Strengthening cybersecurity of SATCOM network providers and customers.

3 mins; May 09, 2022

CISA Alert AA22-117A – 2021 top routinely exploited vulnerabilities.

3 mins; April 26, 2022

CISA Alert AA22-110A – Russian state-sponsored and criminal cyber threats to critical infrastructure.

3 mins; April 19, 2022

CISA Alert AA22-108A – TraderTraitor: North Korean state-sponsored APT targets blockchain companies.

3 mins; April 17, 2022

CISA Alert AA22-103A – APT Cyber Tools Targeting ICS/SCADA Devices.

3 mins; April 12, 2022

CISA Alert AA22-083A – TTPs of Indicted State-Sponsored Russian Cyber Actors Targeting the Energy Sector.

3 mins; March 31, 2022

CISA Alert AA22-076A – Strengthening Cybersecurity of SATCOM Network Providers and Customers.

2 mins; March 31, 2022

CISA Alert AA22-074A – Russian state-sponsored cyber actors gain network access by exploiting default MFA protocols and “PrintNightmare” vulnerability.

3 mins; March 31, 2022

CISA Alert AA22-057A – Destructive malware targeting organizations in Ukraine.

3 mins; March 31, 2022

CISA Alert AA22-055A – Iranian government-sponsored actors conduct cyber operations against global government and commercial networks.

3 mins; February 23, 2022

CISA Alert AA22-054A – New Sandworm malware “Cyclops Blink” replaces VPNFilter.

2 mins; February 22, 2022

CISA Alert AA22-047A – Russian state-sponsored cyber actors target cleared defense contractor networks to obtain sensitive US defense information and technology.

3 mins; February 15, 2022

CISA Alert AA22-040A – 2021 trends show increased globalized threat of ransomware.

3 mins; February 08, 2022

CISA Cybersecurity Alerts - Trailer

1 min; February 01, 2022

CISA Cybersecurity Alerts

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