FIRESTARTER Backdoor: Why Cisco Firewall Attacks Are Accelerating the Move Beyond Legacy VPNs
Graham Melville
April 30, 2026
FIRESTARTER Backdoor: Why Cisco Firewall Attacks Are a Wake-Up Call for Remote Access CISA and the U.K. National Cyber Security Centre have released a Malware Analysis Report on FIRESTARTER, a persistent backdoor targeting publicly accessible Cisco Firepower and Secure Firewall devices running Cisco ASA or
