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Welcome to this week’s edition of the Threat Source newsletter.
We all knew, to some degree or another, that this summer was going to a hot mess. I don’t mean FIFA drama or record setting heat waves. I mean the slow but steady momentum that AI frontier models were accruing for vulnerability research. If you were like me, and guesstimating exactly when that shoe wo...
Should we let AI run our threat hunts? The debate usually splits into two camps. One says, "Yes, obviously! The sheer scale of our security telemetry is impossible for humans to deal with." The other says, "Absolutely not! You can't trust an AI with something this important."
The thing is, I think both are wrong, or at least incomplete. &...
Microsoft has released its monthly security update for July 2026, which includes 622 vulnerabilities affecting a range of products, including 57 that Microsoft marked as "critical".
Microsoft notes that two of the vulnerabilities disclosed this month have been exploited in the wild.
Cybersecurity has always involved elements of uncertainty. Every day, security teams are asked to make decisions with incomplete information, while attackers rely on defenders not being able to see the full picture.
What defenders haven't always had to deal with is attackers using AI to rewrite malicious commands on the fly, malware that adapts its code upon every insta...