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.
Firestarter malware survives Cisco firewall updates, security patches
Summary + source link. No paywalls, no tracking.