An attacker pushed a malicious version of the popular elementary-data package Python Package Index (PyPI) to steal sensitive ...

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 ...

At least one US federal agency was infected with the Firestarter backdoor in a China-linked campaign targeting Cisco ...

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

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

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

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 ...

The Cybersecurity and Infrastructure Security Agency issued an emergency directive warning a newly-discovered Cisco backdoor ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated its emergency directive after discovering that a China‑linked 'Firestarter' backdoor persisted on patched Cisco firewalls ...

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

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