The Captain’s Log

Toplevel | Pontifications of The Great and Terrible Captain Cucamunga.

Fri, 07 Aug 2026 15:44:44 EDT

Consider This Sentence

The following sentence occurs in Ars Technica on Apple News. “Routine cybersecurity testing of frontier AI models sparked a series of unexpected security incidents—the most serious case arising when Anthropic’s Mythos 5 model attempted to insert malicious code into an open source software application and created fake identities to deceive the human developers maintaining the project.”

I will provide a more general and succinct summary sentence. The specific case that is presented should occur after the summary.

My rewrite: “After testing 7 new AI models, the AI Security Institute of the UK government discovered 19 instances in which an AI had surreptitiously attempted to break into a private system or to trick the maintainer of an open source project into accepting malicious source code.”