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Talos Blog

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Latest posts

Last updated about 5 hours ago

Talos on the developing situation in the Middle East

about 6 hours ago

Cisco Talos continues to monitor the ongoing conflict in the Middle East...

Henry IV, Hotspur, Hal, and hallucinations

4 days ago

Welcome to this week’s edition of the Threat Source newsletter.  "'Tis dangerous...

New Dohdoor malware campaign targets education and health care

5 days ago

Cisco Talos discovered an ongoing malicious campaign since at least as early...

Active exploitation of Cisco Catalyst SD-WAN by UAT-8616

6 days ago

Cisco Talos is tracking the active exploitation of CVE-2026-20127, a vulnerability in...

Using AI to defeat AI

11 days ago

Welcome to this week’s edition of the Threat Source newsletter.  Generative AI...

“Good enough” emulation: Fuzzing a single thread to uncover vulnerabilities

13 days ago

A Cisco Talos researcher worked around the limitations of hardware-level Code Read-out...

Hand over the keys for Shannon’s shenanigans

18 days ago

Welcome to this week’s edition of the Threat Source newsletter.  Last week...

Ryan Liles, master of technical diplomacy

19 days ago

Cisco Talos is back with another inside look at the people who...

New threat actor, UAT-9921, leverages VoidLink framework in campaigns

20 days ago

Cisco Talos recently discovered a new threat actor, UAT-9921, leveraging VoidLink in...

Microsoft Patch Tuesday for February 2026 — Snort rules and prominent vulnerabilities

20 days ago

Microsoft has released its monthly security update for February 2026, which includes...

All gas, no brakes: Time to come to AI church

25 days ago

Welcome to this week’s edition of the Threat Source newsletter.  Brothers and...

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

26 days ago

Cisco Talos uncovered “DKnife,” a fully featured gateway-monitoring and adversary-in-the-middle (AitM) framework...