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MA
HIGH
Malware
Firestarter Malware Persists on Cisco Firewalls Post-Update
U.S. and U.K. agencies warn about Firestarter malware exhibiting post-update persistence on Cisco Firepower and Secure Firewalls running ASA/FTD.
Runtime Rebel Intel
4 min read·Apr 25, 2026
MA
CRITICAL
Malware
Firestarter Backdoor Infects Cisco Firewall at US Federal Agency
Analysis of the Firestarter backdoor on Cisco firewalls, detailing its remote access capabilities, post-patch persistence, and mitigation strategies.
Runtime Rebel Intel
4 min read·Apr 24, 2026