Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco ...

Admins are being warned by cyber experts from the US and UK that this is part of continuing campaign to crack Cisco firewalls ...

IntroductionOn March 12, 2026, Zscaler ThreatLabz discovered a malicious ZIP archive containing military-themed document lures targeting Chinese-speaking individuals. Our analysis of this sample ...

Cisco has confirmed that the ArcaneDoor threat actor deployed a persistence mechanism that isn't handled by the security ...

Tropic Trooper used trojanized SumatraPDF and GitHub C2 in 2024 to deploy AdaptixC2, enabling covert VS Code tunnel access.

FIRESTARTER backdoor hit Cisco ASA in Sept 2025, persists after patching CVE-2025-20333, risking continued federal network ...

Security pros are warning about custom malware targeting Cisco firewalls, and surviving upgrades and reboots.

Cisco Talos has identified 'Firestarter', a persistent malware targeting unpatched Cisco Firepower and Secure Firewall devices. The UAT‑4356 group exploited two newly disclosed vulnerabilities before ...

The Cybersecurity and Infrastructure Security Agency has disclosed that a U.S. federal civilian agency was compromised by ...