Anthropic's Claude Mythos Preview has recovered signing keys from NIST's post-quantum candidate HAWK-256 in under four hours and devised an attack accelerating seven-round AES-128 cracking by 200 to 8…
Microsoft engineers are racing to patch hundreds of security flaws found by Anthropic's Claude Mythos Preview, an unreleased AI model that identified 90 critical and 141 important SharePoint vulnerabi…
Anthropic's Frontier Red Team published research on July 28, 2026, showing that Claude Mythos Preview found a stronger attack against HAWK, a NIST post-quantum digital signature candidate, cutting its…
Anthropic's Claude Mythos Preview model broke HAWK, a post-quantum signature scheme under NIST review, via a key-recovery attack that halved its effective security, leading the HAWK team to withdraw t…
Anthropic's Claude Mythos Preview discovered improved cryptographic attacks on the HAWK digital signature scheme and a weakened version of AES, with full research papers published. The HAWK attack req…
Anthropic's AI model Mythos is finding bugs in Microsoft's software faster than Microsoft can patch them, according to a mid-May meeting at Microsoft's Redmond headquarters. The AI uncovered 90 critic…
Anthropic's Claude Mythos Preview has demonstrated the ability to find and exploit vulnerabilities in cryptographic software, including weaknesses in TLS, AES-GCM, and SSH, as part of a coordinated di…
Anthropic's Claude Mythos Preview model found a new attack that lowers the estimated key-recovery cost for HAWK-512 from 2^150 to 2^108 gates and for HAWK-1024 from 2^288 to 2^182 gates, but HAWK is n…
Anthropic's Claude Mythos Preview research model autonomously identified and exploited zero-day vulnerabilities in real software, including Firefox, the Linux kernel, OpenBSD, and FreeBSD's NFS servic…
Anthropic says its Claude Mythos Preview model has identified and demonstrated exploits for vulnerabilities in widely used cryptographic software implementations, including libraries for TLS, AES-GCM …
Anthropic said an unreleased version of its most powerful model, Claude Mythos Preview, found two previously unknown attacks on crypto algorithms, including one against HAWK, a digital signature syste…
One in four malicious data breaches involved attackers using AI, according to IBM's 2026 Cost of a Data Breach Report published July 29, 2026. Those AI-enabled breaches cost an average of $6 million, …
Qualys disclosed CVE-2026-64600, a race condition in the Linux XFS filesystem's copy-on-write path, on July 22, 2026, and credited the Claude Mythos Preview for helping find the flaw.…
Anthropic's AI model Claude Mythos Preview has identified a vulnerability in a weakened form of the Advanced Encryption Standard (AES), according to a New York Times report. The finding highlights pot…
Anthropic's Claude Mythos Preview discovered a practical key-recovery attack on the post-quantum HAWK-256 digital signature candidate in roughly 60 hours, reducing effective security from 264 to 238 o…
Anthropic published research showing that its AI model Claude Mythos Preview discovered an improved attack against HAWK, a post-quantum digital signature scheme that had survived two years of NIST rev…
Anthropic researchers used Claude Mythos Preview to discover new weaknesses in two cryptographic methods, including HAWK, a digital signature scheme under NIST review for post-quantum security, and a …
Anthropic said its unreleased Claude Mythos Preview model found a previously unknown attack on HAWK, dropping the cost of stealing its smallest key from 2^64 operations to 2^38, and sped up an attack …
Anthropic's Claude Mythos Preview AI model has discovered novel attacks against weakened versions of the Advanced Encryption Standard (AES) and the experimental post-quantum HAWK system, with one atta…
Anthropic announced Monday that its Claude Mythos Preview model discovered mathematical weaknesses in two cryptographic algorithms, halving the effective key strength of the post-quantum signature sch…