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The Fine Art of Frustrating the Adversary
What really frustrates an adversary? Eight Cisco Talos researchers share practical ways to make their next move slower and riskier. From deception and behavioral detection to breaking attack…
0laagChina-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India, the Philippines, and Cambodia, to deliver a…
0laagSecuring the keys to the kingdom: Announcing Executive Threat Detection
This new proactive service joins the suite of retainer offerings to provide dedicated, intelligence-led hunting specifically for your organization’s most high-value IT assets.
0laagTrust and the enticing consultancy offer
In this week’s newsletter Martin muses over a very suspicious elicitation over social media and the true value of trust within the cyber ecosystem. Hubris might be the real vulnerability that the…
0laagThe Closed Quorum: Inside the first reported autonomous AI C2 implant
CLOSEDQUORUM, a malware binary discovered through Cisco Talos’ CAIRN project, exhibits fully autonomous command and control (C2). It represents a shift in effort displacement for attackers, in which…
0laagIntroducing CAIRN: Frontier tracking for AI-integrated malware
Talos is releasing CAIRN, a research toolkit for hunting, classifying, and tracking emerging AI-integrated malware.
0laagShould you care about an “AI slowdown?”
In this week's Threat Source, David talks about why focusing on your security basics is still your best bet, even in a world with rapid AI advancements.
0laagRansomware incidents in Japan in the first half of 2026: Investigation of The Gentlemen’s infrastructure and evidence of Qilin's AI use
Ransomware incidents in Japan rose 4.7% year over year. The Gentlemen was the most active group, with leak-site listings more than doubling from January to July. Qilin ranked second and appeared to…
42middelSecuring the unpatchable in an age of AI-driven vulnerabilities
Advances in AI technology will continue to identify vulnerabilities that in some circumstances are difficult, or effectively impossible, to patch. Appropriate network segmentation, rigorous…
0laagWe've got one word for it, and it's usually the wrong one
In this week's Threat Source newsletter, Joe explores why the word "burnout" often fails to capture the true toll of working in the cybersecurity industry and why we need better language to address…
52hoogActive exploitation of Cisco Secure Firewall Management Center vulnerabilities
Cisco Talos is actively tracking the exploitation of two vulnerabilities in Cisco’s Secure Firewall Management Center (FMC) Software.
52hoogMicrosoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for September 2026, which includes 973 vulnerabilities affecting a range of products, including 113 that Microsoft marked as "critical."
27middelClearFake WebDAV infection chain delivers Amatera stealer, ZigCryptoStealer, and NetSupport Manager
We assess with moderate confidence that the attacks are not targeted at a particular organization, but are a part of a cryptocurrency and credentials-stealing operation using the Amatera stealer as…
0laagClickFix moves into the browser: Cryptocurrency theft with Google-hosted C2
Cisco Talos is tracking a cryptocurrency-stealing campaign that abuses the Google Visualization API for command and control (C2), retrieving obfuscated JavaScript from a publicly published Google…
0laagThe story behind the intelligence
From engaging with cybercriminals to surviving a live Flamin’ Hot Cheetos taste test, Hazel reflects on the latest Beers with Talos with Azim, where they cover the full spectrum of what it takes to…
0laag“Sorry, I can’t help with that”: How your guardrails might become the attacker’s best friend
In his first Threat Source newsletter, David Bianco explores the critical need for operational sovereignty in customizing AI guardrails to maintain the defender’s advantage.
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