https://cluster-site.onrender.com/tags/cisa/ Recent content in Cisa on Tenu Tech Brief Hugo -- 0.146.0 en-us Thu, 26 Feb 2026 01:01:40 +0000 https://cluster-site.onrender.com/posts/immediate-action-required-cisa-issues-emergency-directive-to-secure-cisco-sd-wan-systems/ Wed, 25 Feb 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/immediate-action-required-cisa-issues-emergency-directive-to-secure-cisco-sd-wan-systems/ • Immediate Action Required: CISA Issues Emergency Directive to Secure Cisco SD-WAN Systems WASHINGTON - The Cybersecurity and Infrastructure Security Agency (CISA) today issuedEme https://cluster-site.onrender.com/posts/taiwan-security-firm-confirms-flaw-flagged-by-cisa-likely-exploited-by-chinese-apts/ Tue, 24 Feb 2026 12:00:51 +0000 https://cluster-site.onrender.com/posts/taiwan-security-firm-confirms-flaw-flagged-by-cisa-likely-exploited-by-chinese-apts/ • The Taiwan-based cybersecurity firm TeamT5 has confirmed that the vulnerability added recently by CISA to its Known Exploited Vulnerabilities (KEV) catalog was likely exploited b https://cluster-site.onrender.com/posts/cisa-adds-two-actively-exploited-roundcube-flaws-to-kev-catalog/ Sat, 21 Feb 2026 07:21:00 +0000 https://cluster-site.onrender.com/posts/cisa-adds-two-actively-exploited-roundcube-flaws-to-kev-catalog/ • CISA Adds Two Actively Exploited Roundcube Flaws to KEV Catalog The U.S. • Cybersecurity and Infrastructure Security Agency (CISA) on Fridayaddedtwo security flaws impacting Roun https://cluster-site.onrender.com/posts/cisa-navigates-dhs-shutdown-with-reduced-staff/ Mon, 16 Feb 2026 13:49:03 +0000 https://cluster-site.onrender.com/posts/cisa-navigates-dhs-shutdown-with-reduced-staff/ • CISAwill remain operational during the DHS shutdown that commenced at 12:01 a.m. • on Saturday, February 14, 2026, although at a reduced capacity. • KEV is one area that remains. https://cluster-site.onrender.com/posts/cisa-gives-feds-3-days-to-patch-actively-exploited-beyondtrust-flaw/ Mon, 16 Feb 2026 12:33:11 +0000 https://cluster-site.onrender.com/posts/cisa-gives-feds-3-days-to-patch-actively-exploited-beyondtrust-flaw/ • CISA gives feds 3 days to patch actively exploited BeyondTrust flaw February 16, 2026 07:33 AM 1 The U.S. • Cybersecurity and Infrastructure Security Agency (CISA) ordered federa https://cluster-site.onrender.com/posts/cisa-announces-new-town-halls-to-engage-with-stakeholders-on-cyber-incident-reporting-for-critical-infrastructure/ Fri, 13 Feb 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-announces-new-town-halls-to-engage-with-stakeholders-on-cyber-incident-reporting-for-critical-infrastructure/ • CISA Announces New Town Halls to Engage with Stakeholders on Cyber Incident Reporting for Critical Infrastructure WASHINGTON - The Cybersecurity and Infrastructure Security Agenc https://cluster-site.onrender.com/posts/cisas-2025-year-in-review-driving-security-and-resilience-across-critical-infrastructure/ Wed, 11 Feb 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisas-2025-year-in-review-driving-security-and-resilience-across-critical-infrastructure/ • CISA’s 2025 Year in Review: Driving Security and Resilience Across Critical Infrastructure WASHINGTON - The Cybersecurity and Infrastructure Security Agency (CISA) unveiled its20 https://cluster-site.onrender.com/posts/cisa-releases-guide-to-help-critical-infrastructure-users-adopt-more-secure-communication/ Tue, 10 Feb 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-releases-guide-to-help-critical-infrastructure-users-adopt-more-secure-communication/ • CISA Releases Guide to Help Critical Infrastructure Users Adopt More Secure Communication WASHINGTON - The Cybersecurity and Infrastructure Security Agency (CISA) today released https://cluster-site.onrender.com/posts/cisa-orders-federal-agencies-to-strengthen-edge-device-security-amid-rising-cyber-threats/ Thu, 05 Feb 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-orders-federal-agencies-to-strengthen-edge-device-security-amid-rising-cyber-threats/ • CISA Orders Federal Agencies to Strengthen Edge Device Security Amid Rising Cyber Threats WASHINGTON - The Cybersecurity and Infrastructure Security Agency (CISA) today issuedBin https://cluster-site.onrender.com/posts/cisa-urges-critical-infrastructure-organizations-to-take-action-against-insider-threats/ Wed, 28 Jan 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-urges-critical-infrastructure-organizations-to-take-action-against-insider-threats/ • CISA Urges Critical Infrastructure Organizations to Take Action Against Insider Threats WASHINGTON - The Cybersecurity and Infrastructure Security Agency (CISA) is calling on cri https://cluster-site.onrender.com/posts/cisa-releases-product-categories-list-to-propel-post-quantum-cryptography-adoption-pursuant-to-president-trumps-executive-order-14306/ Fri, 23 Jan 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-releases-product-categories-list-to-propel-post-quantum-cryptography-adoption-pursuant-to-president-trumps-executive-order-14306/ • CISA releases first product categories list for post‑quantum cryptography (PQC) adoption. • List identifies hardware and software that support or will support PQC standards. • De https://cluster-site.onrender.com/posts/cisa-uk-ncsc-fbi-unveil-principles-to-combat-cyber-risks-in-ot/ Wed, 14 Jan 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-uk-ncsc-fbi-unveil-principles-to-combat-cyber-risks-in-ot/ • CISA, UK NCSC, FBI Unveil Principles to Combat Cyber Risks in OT WASHINGTON - Today, the Cybersecurity and Infrastructure Security Agency (CISA), United Kingdom’s National Cyber https://cluster-site.onrender.com/posts/cisa-retires-ten-emergency-directives-marking-an-era-in-federal-cybersecurity/ Thu, 08 Jan 2026 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-retires-ten-emergency-directives-marking-an-era-in-federal-cybersecurity/ • CISA Retires Ten Emergency Directives, Marking an Era in Federal Cybersecurity WASHINGTON - Today, the Cybersecurity and Infrastructure Security Agency (CISA) announced the succe https://cluster-site.onrender.com/posts/cisa-releases-dynamic-new-guide-for-stadium-and-arena-owners-to-fortify-operations-mitigate-vulnerabilities-and-elevate-emergency-preparedness/ Wed, 17 Dec 2025 12:00:00 +0000 https://cluster-site.onrender.com/posts/cisa-releases-dynamic-new-guide-for-stadium-and-arena-owners-to-fortify-operations-mitigate-vulnerabilities-and-elevate-emergency-preparedness/ • CISA Releases Dynamic New Guide for Stadium and Arena Owners to Fortify Operations, Mitigate Vulnerabilities and Elevate Emergency Preparedness WASHINGTON - Today, the Cybersecur https://cluster-site.onrender.com/posts/opening-doors-to-the-future-cisa-announces-participation-in-the-cybercorps-scholarship-for-service-sfs/ Wed, 17 Dec 2025 12:00:00 +0000 https://cluster-site.onrender.com/posts/opening-doors-to-the-future-cisa-announces-participation-in-the-cybercorps-scholarship-for-service-sfs/ • Opening Doors to the Future: CISA Announces Participation in the CyberCorps® Scholarship for Service (SFS) WASHINGTON - Today, the Cybersecurity and Infrastructure Security Agenc https://cluster-site.onrender.com/posts/cisa-shares-lessons-learned-from-an-incident-response-engagement/ Mon, 22 Sep 2025 15:12:49 +0000 https://cluster-site.onrender.com/posts/cisa-shares-lessons-learned-from-an-incident-response-engagement/ • CISA Shares Lessons Learned from an Incident Response Engagement Advisory at a Glance Executive Summary | CISA began incident response efforts at a U.S. • federal civilian execut https://cluster-site.onrender.com/posts/cisa-and-uscg-identify-areas-for-cyber-hygiene-improvement-after-conducting-proactive-threat-hunt-at-us-critical-infrastructure-organization/ Tue, 29 Jul 2025 17:53:52 +0000 https://cluster-site.onrender.com/posts/cisa-and-uscg-identify-areas-for-cyber-hygiene-improvement-after-conducting-proactive-threat-hunt-at-us-critical-infrastructure-organization/ • CISA and USCG Identify Areas for Cyber Hygiene Improvement After Conducting Proactive Threat Hunt at US Critical Infrastructure Organization Summary The Cybersecurity and Infrast https://cluster-site.onrender.com/posts/ransomware-actors-exploit-unpatched-simplehelp-remote-monitoring-and-management-to-compromise-utility-billing-software-provider/ Thu, 12 Jun 2025 14:29:54 +0000 https://cluster-site.onrender.com/posts/ransomware-actors-exploit-unpatched-simplehelp-remote-monitoring-and-management-to-compromise-utility-billing-software-provider/ • Ransomware actors target unpatched SimpleHelp RMM to breach utility billing software provider customers. • Vulnerability CVE-2024-57727, a path traversal flaw, exploited in Simpl https://cluster-site.onrender.com/posts/threat-actors-deploy-lummac2-malware-to-exfiltrate-sensitive-data-from-organizations/ Tue, 20 May 2025 19:20:23 +0000 https://cluster-site.onrender.com/posts/threat-actors-deploy-lummac2-malware-to-exfiltrate-sensitive-data-from-organizations/ • FBI & CISA issue joint advisory on LummaC2 infostealer targeting critical infrastructure. • Malware infiltrates networks, exfiltrates sensitive data via spearphishing links and a https://cluster-site.onrender.com/posts/fast-flux-a-national-security-threat/ Tue, 01 Apr 2025 19:00:21 +0000 https://cluster-site.onrender.com/posts/fast-flux-a-national-security-threat/ • Fast flux hides malicious server locations by rapidly changing DNS records. • Enables cybercriminals and nation-state actors to evade detection and maintain C2. • Resilient, high https://cluster-site.onrender.com/posts/%23stopransomware-medusa-ransomware/ Tue, 11 Mar 2025 14:52:42 +0000 https://cluster-site.onrender.com/posts/%23stopransomware-medusa-ransomware/ • Patch OS, software, firmware promptly to close known vulnerabilities across all systems. • Segment networks to limit lateral movement from infected devices and protect critical a