Summary Actions Critical Infrastructure Organizations Should Implement to Immediately Strengthen Their Cyber Posture.• Patch all systems. Prioritize patching known exploited vulnerabilities.• Implement multi-factor authentication.• Use antivirus software.• Develop internal contact lists and surge support. Note: this advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, version 10. See the ATT&CK for Enterprise for …

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Google’s Threat Analysis Group (TAG) on Thursday said it’s tracking more than 270 government-backed threat actors from more than 50 countries, adding it has approximately sent 50,000 alerts of state-sponsored phishing or malware attempts to customers since the start of 2021. The warnings mark a 33% increase from 2020, the internet giant said, with the …

This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 9, and MITRE D3FEND™ framework, version 0.9.2-BETA-3. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques and the D3FEND framework for referenced defensive tactics and techniques. The National Security Agency, Cybersecurity and Infrastructure Security Agency (CISA), and Federal …

Iran has been linked to yet another state-sponsored ransomware operation through a contracting company based in the country, according to new analysis. “Iran’s Islamic Revolutionary Guard Corps (IRGC) was operating a state-sponsored ransomware campaign through an Iranian contracting company called ‘Emen Net Pasargard’ (ENP),” cybersecurity firm Flashpoint said in its findings summarizing three documents leaked …

Summary This joint cybersecurity advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework. See the ATT&CK for Enterprise framework for all referenced threat actor tactics and techniques This joint cybersecurity advisory—written by the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA)—provides information on Russian state-sponsored advanced persistent …

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Twitter has been hit with a minor data breach incident that the social networking site believes linked to a suspected state-sponsored attack. In a blog post published on Monday, Twitter revealed that while investigating a vulnerability affecting one of its support forms, the company discovered evidence of the bug being misused to access and steal …

Telnet Review network device logs and netflow data for indications of TCP Telnet-protocol traffic directed at port 23 on all network device hosts. Although Telnet may be directed at other ports (e.g., port 80, HTTP), port 23 is the primary target. Inspect any indication of Telnet sessions (or attempts). Because Telnet is an unencrypted protocol, …