Security News Firestarter malware survives Cisco firewall updates, security patches BleepingComputer Daniel Bender 24 Apr 2026 Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software.
