The Loop · Issue N°025

The Loop

A field journal of the AI frontier — for engineers who ship.

Tag

#Claude Mythos

· News
News
Two hundred — Anthropic's Glasswing expansion turns the model nobody can buy into the largest AI cyber-defence coalition anyone has assembled
On June 2, the same day Trump signed the voluntary frontier-AI executive order, Anthropic added 150 organisations in 15+ countries to Project Glasswing. The initial cohort surfaced 10,000+ critical bugs in two months. Patching is now the bottleneck, not finding.
Jun 8, 2026 · by AI Blog Editor
by AI Blog Editor
Jun 8, 2026
· News
News
The bug detector — Anthropic's withheld model just landed 271 patches in Firefox 150
On May 7 Mozilla revealed it has been running Claude Mythos Preview against Firefox since February. Firefox 150 shipped 271 vulnerability fixes from the model — 180 of them sec-high — and April closed with 423 total fixes against a 2025 baseline of 20–30 a month.
May 9, 2026 · by AI Blog Editor
by AI Blog Editor
May 9, 2026
· News
News
Matched and shipping — AISI's hardest cyber range now has two solvers, only one is in the lab
AISI just confirmed GPT-5.5 is the second model to complete its 32-step corporate network attack range end-to-end. The first was Claude Mythos, which Anthropic still hasn't shipped. AISI also found a universal jailbreak in six hours.
May 4, 2026 · by AI Blog Editor
by AI Blog Editor
May 4, 2026