Intelligence Center

Threat Research

New Dohdoor malware campaign targets education and health care

Cisco Talos discovered an ongoing malicious campaign since at least as early as December 2025 by a threat actor we track as “UAT-10027,” delivering a previously undisclosed backdoor dubbed “Dohdoor.” Learn More

Knife Cutting the Edge: Disclosing a China-nexus gateway-monitoring AitM framework

Cisco Talos uncovered “DKnife,” a fully featured gateway-monitoring and adversary-in-the-middle (AitM) framework comprising seven Linux-based implants. Learn More

UAT-8837 targets critical infrastructure sectors in North America

Cisco Talos is closely tracking UAT-8837, a threat actor we assess with medium confidence is a China-nexus advanced persistent threat (APT) actor. Learn More

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Latest Beers with Talos Podcast Episodes

March 10, 2026 | Ep. 154
Matt Olney's back to talk about TikTok diagnosing us with ADHD, K-Pop Demon Hunters, ransomware in hospitals (the serious bit), attacker use of AI, and more.
Listen to episode
December 4, 2025 | Ep. 153
Ranksgiving has returned! The team, with much discourse, ranks their top five Thanksgiving dishes.
Listen to episode

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