Apr 23, 2026mediumidentity

FIRESTARTER Backdoor

The Cybersecurity and Infrastructure Security Agency (CISA) analyzed a sample of FIRESTARTER malware obtained from a forensic investigation.

what's affectedthis report is relevant for both Cisco Firepower and Secure Firewall devices

mitigation statusMonitoring updates

first reportedApr 23, 2026

mentions (24h)257

velocitytrend up

mentions delta+3% vs yesterday

platform splitX 68% · Reddit 34% · GitHub 8%

keywords

identityvulnerabilitymitigation

x analyticsheat 0

authors 0verified 0%

likes0

retweets0

replies0

quotes0

summaryConversation is accelerating with active-response chatter and exploit validation.

Curated Apr 23, 2026 by the ahackaday team./Sources verified./Brief grounded in 1 source.

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