Cisco Talos Intelligence
talosintelligence.com
Imported from official source
Cisco's threat intelligence group.
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Publications 22
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Give yourself room to be human
In this week’s edition, Amy reflects on the importance of prioritizing family and personal well-being over the pressure to remain constantly productive.
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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 depend...
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China-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 ...
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Securing 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.
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Trust 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 c...
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The 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 whic...
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Introducing CAIRN: Frontier tracking for AI-integrated malware
Talos is releasing CAIRN, a research toolkit for hunting, classifying, and tracking emerging AI-integrated malware.
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Should 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.
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Ransomware 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...
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Securing 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 visibil...
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We'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...
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Active 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.
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Microsoft 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."
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ClearFake 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...
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ClickFix 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 S...
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The 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...
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“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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JavaScript obfuscation: From party trick to phishing kit
Learn the basics of what obfuscation is, why a researcher would try to reverse it, and several ways to approach the problem.
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Choose your fighter: Balancing competing requirements to select models for your AI SOC
Selecting a model for your security operations center (SOC) and digital forensics and incident response (DFIR) tasks is important, but selecting the best one is more involved than you might think. ...
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The safety penalty: Reclaiming operational sovereignty in the age of AI
As frontier AI models become increasingly restrictive, security teams are facing a "safety penalty" that hampers real-time incident response. Discover how organizations can move toward operational ...
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Is Cyber missing the Marque?
In this week's newsletter, new author Mick Baccio introduces himself and explores the operational and security implications of the new White House memorandum regarding private sector participation ...
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UAT-10147 deploys SPECTRE: A cross-platform implant with Linux rootkit and BYOVD capabilities
The newly identified SPECTRE implant represents an evolution in commodity intrusion tooling, integrating cross-platform C2 operations, process injection, credential theft, anti-analysis protections...