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Talos Blog
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Latest posts
Last updated 2 days ago
Hand over the keys for Shannon’s shenanigans
2 days ago
Welcome to this week’s edition of the Threat Source newsletter. Last week...
Ryan Liles, master of technical diplomacy
3 days ago
Cisco Talos is back with another inside look at the people who...
New threat actor, UAT-9921, leverages VoidLink framework in campaigns
4 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
4 days ago
Microsoft has released its monthly security update for February 2026, which includes...
All gas, no brakes: Time to come to AI church
9 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
10 days ago
Cisco Talos uncovered “DKnife,” a fully featured gateway-monitoring and adversary-in-the-middle (AitM) framework...
I'm locked in!
16 days ago
Welcome to this week’s edition of the Threat Source newsletter.I’ve struggled a...
Microsoft releases update to address zero-day vulnerability in Microsoft Office
16 days ago
Microsoft has published three out-of-band (OOB) updates so far in January 2026...
Dissecting UAT-8099: New persistence mechanisms and regional focus
17 days ago
Cisco Talos has identified a new campaign by UAT-8099, active from late...
IR Trends Q4 2025: Exploitation remains dominant, phishing campaign targets Native American tribal organizations
17 days ago
Threat actors predominately exploited public-facing applications for the second quarter in a...
I scan, you scan, we all scan for... knowledge?
23 days ago
Welcome to this week’s edition of the Threat Source newsletter. “Upon us...
Foxit, Epic Games Store, MedDreams vulnerabilities
23 days ago
Cisco Talos’ Vulnerability Discovery & Research team recently disclosed three vulnerabilities in...