CISA Alerts

AA22-138B: Threat Actors Chaining Unpatched VMware Vulnerabilities for Full System Control

Original release date: May 18, 2022 Summary The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this Cybersecurity Advisory (CSA) to warn organizations that malicious cyber actors, likely advanced persistent threat (APT) actors, are exploiting CVE-2022-22954 and CVE-2022-22960 separately and in combination. These vulnerabilities affect certain versions of VMware Workspace ONE Access, VMware Identity Manager …

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AA22-138A: Threat Actors Exploiting F5 BIG-IP CVE-2022-1388

Original release date: May 18, 2022 Summary Actions for administrators to take today: • Do not expose management interfaces to the internet. • Enforce multi-factor authentication. • Consider using CISA’s Cyber Hygiene Services. The Cybersecurity and Infrastructure Security Agency (CISA) and the Multi-State Information Sharing & Analysis Center (MS-ISAC) are releasing this joint Cybersecurity Advisory …

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AA22-137A: Weak Security Controls and Practices Routinely Exploited for Initial Access

Original release date: May 17, 2022 Summary Best Practices to Protect Your Systems: • Control access. • Harden Credentials. • Establish centralized log management. • Use antivirus solutions. • Employ detection tools. • Operate services exposed on internet-accessible hosts with secure configurations. • Keep software updated. Cyber actors routinely exploit poor security configurations (either misconfigured …

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AA22-131A: Protecting Against Cyber Threats to Managed Service Providers and their Customers

Original release date: May 11, 2022 Summary Tactical actions for MSPs and their customers to take today: • Identify and disable accounts that are no longer in use. • Enforce MFA on MSP accounts that access the customer environment and monitor for unexplained failed authentication. • Ensure MSP-customer contracts transparently identify ownership of ICT security …

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AA22-117A: 2021 Top Routinely Exploited Vulnerabilities

Original release date: April 27, 2022 Summary This joint Cybersecurity Advisory (CSA) was coauthored by cybersecurity authorities of the United States, Australia, Canada, New Zealand, and the United Kingdom: the Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), Australian Cyber Security Centre (ACSC), Canadian Centre for Cyber Security …

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AA22-110A: Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure

Original release date: April 20, 2022 Summary Actions critical infrastructure organizations should implement to immediately protect against Russian state-sponsored and criminal cyber threats: • Patch all systems. Prioritize patching known exploited vulnerabilities. • Enforce multifactor authentication. • Secure and monitor Remote Desktop Protocol and other risky services. • Provide end-user awareness and training. The cybersecurity …

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AA22-108A: TraderTraitor: North Korean State-Sponsored APT Targets Blockchain Companies

Original release date: April 18, 2022 Summary Actions to take today to mitigate cyber threats to cryptocurrency: • Patch all systems. • Prioritize patching known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Use multifactor authentication. The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the …

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AA22-103A: APT Cyber Tools Targeting ICS/SCADA Devices

Original release date: April 13, 2022 Summary Actions to Take Today to Protect ICS/SCADA Devices: • Enforce multifactor authentication for all remote access to ICS networks and devices whenever possible. • Change all passwords to ICS/SCADA devices and systems on a consistent schedule, especially all default passwords, to device-unique strong passwords to mitigate password brute …

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AA22-083A: Tactics, Techniques, and Procedures of Indicted State-Sponsored Russian Cyber Actors Targeting the Energy Sector

Original release date: March 24, 2022 Summary Actions to Take Today to Protect Energy Sector Networks: • Implement and ensure robust network segmentation between IT and ICS networks. • Enforce MFA to authenticate to a system. • Manage the creation of, modification of, use of—and permissions associated with—privileged accounts. This joint Cybersecurity Advisory (CSA)—coauthored by …

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AA22-076A: Strengthening Cybersecurity of SATCOM Network Providers and Customers

Original release date: March 17, 2022 Summary Actions to Take Today: • Use secure methods for authentication. • Enforce principle of least privilege. • Review trust relationships. • Implement encryption. • Ensure robust patching and system configuration audits. • Monitor logs for suspicious activity. • Ensure incident response, resilience, and continuity of operations plans are …

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