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 visibility, and the deployment of NGFW/IPS combinations can provide a powerful compensatory layer.
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 it.
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.
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 the primary payload.
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."
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 Sheets document and injecting it into the victim's browser session.
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 gather threat intel.
“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.
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.