The Lab · 2026-04-21 22:52:31 · Ars Technica
Anthropic's Mythos Preview AI model has reportedly identified 271 previously unknown security vulnerabilities in the upcoming Firefox 150 browser, a discovery Mozilla credits with allowing it to patch critical flaws before attackers could exploit them. This significant preemptive find, announced by Mozilla, provides co...
The Lab · 2026-05-07 21:01:39 · Ars Technica
Mozilla has disclosed that its internally developed Mythos scanning tool identified 271 vulnerabilities during an audit, with the organization characterizing its false positive rate as nearly negligible. The disclosure, which surfaced through a Hacker News discussion thread, positions Mythos as a high-precision additio...
The Lab · 2026-05-09 04:31:39 · r/netsec
DigiCert, a major certificate authority, has misissued code signing certificates, according to a bug report filed with Mozilla's security tracking system. The disclosure, logged as Bugzilla issue 2033170, raises immediate questions about validation controls at one of the industry's most prominent PKI providers and coul...