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Talos Blog
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Latest posts
Last updated 3 days ago
The time of much patching is coming
3 days ago
Welcome to this week’s edition of the Threat Source newsletter. Many solutions...
Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities
3 days ago
Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass...
Breaking things to keep them safe with Philippe Laulheret
4 days ago
In the latest Humans of Talos, Amy sits down with Senior Vulnerability...
Microsoft Patch Tuesday for May 2026 — Snort rules and prominent vulnerabilities
5 days ago
By Jaeson Schultz Microsoft has released its monthly security update for May...
State-sponsored actors, better known as the friends you don’t want
5 days ago
State-sponsored actors don't break in. They log in, and they use your...
Unplug your way to better code
10 days ago
Welcome to this week’s edition of the Threat Source newsletter.Hey, you. Yeah...
Insights into the clustering and reuse of phone numbers in scam emails
11 days ago
Cisco Talos has recently started to collect and gather intelligence around phone...
UAT-8302 and its box full of malware
12 days ago
Cisco Talos is disclosing UAT-8302, a sophisticated, China-nexus advanced persistent threat (APT)...
CloudZ RAT potentially steals OTP messages using Pheno plugin
12 days ago
Cisco Talos discovered an intrusion, active since at least January 2026, where...
Great responsibility, without great power
17 days ago
Welcome to this week’s edition of the Threat Source newsletter. As I’m...
AI-powered honeypots: Turning the tables on malicious AI agents
18 days ago
Generative AI allows defenders to instantly create diverse honeypots, like Linux shells...
Five defender priorities from the Talos Year in Review
19 days ago
A familiar theme in security right now is that the barrier to...