A sophisticated backdoor malware named Firestarter has been discovered on Cisco Firepower devices, attributed to the state-sponsored threat actor UAT-4356. The malware exploits two vulnerabilities, CVE-2025-20333 and…
37 articles · Updated April 23, 2026
Recent Intelligence Reports
US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied— Cyberscoop · April 23, 2026