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#10 CyberScoop general April 23, 2026 at 20:25 UTC

US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied

By Greg Otto

AI Summary

US and UK agencies warned that the FIRESTARTER malware was discovered on a federal agency's Cisco firewall network, with the campaign dating back to at least September 2025 and persisting through March 2026 despite patch application. The incident highlights sophisticated persistence techniques that survive standard remediation procedures on critical network infrastructure.

Read full article → https://cyberscoop.com/cisco-firestarter-malware-c…

Relevance score: 73.0/100

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