Canvas Hack, Firefox Using Mythos & Dirty Frag
From Phoenix Cast by Task Force Phoenix
May 14, 2026 · 55 min
About this episode
The episode discusses recent cybersecurity incidents including a major data breach affecting schools and vulnerabilities found in Firefox's collaboration with Anthropic.
In this episode of Phoenix Cast, hosts John and Kyle break down a packed week in cyber: the Canvas ed-tech breach by Shiny Hunters that hit 9,000 schools and 275 million records right at testing season (both of their kids' schools are scrambling to go non-digital), Firefox's eye-opening collaboration with Anthropic's Mythos model that surfaced 271 vulnerabilities in a single release for a fraction of the cost of a traditional bug bounty, and the Dirty Frag Linux kernel zero-day that escalates to root in seconds — but whose fix breaks IPsec VPNs and file sharing. They also dig into the new MAR ADMIN making AI training mandatory for every Marine, and John collects on Kyle's gaslighting from two episodes ago about model quality degradation (Anthropic basically said "whoops"). Stick around for John's hot take that ASIs — Authorized Service Interruptions — are officially dead in a world where chained vulnerabilities and 271 patches can drop in a single release. We’d love to hear your thoughts! Tweet us @ThePhoenixCast, and don't forget to join our LinkedIn Group to connect with fellow Phoenix Casters. If you enjoyed the episode, help us out by leaving one of those coveted…
People in this episode
Hosts: John, Kyle
Topics covered
- cybersecurity
- data breach
- vulnerabilities
- Linux kernel
- AI training
- education technology
Keywords
- Canvas Hack
- Shiny Hunters
- Firefox
- Anthropic
- Mythos
- Dirty Frag
- Linux kernel
- AI training
- cybersecurity
- data breach
Mentioned in this episode
Organizations: Shiny Hunters, Firefox, Anthropic, MAR ADMIN
Products: Mythos, Dirty Frag
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