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01:10
2026-07-29
sourcefeed.dev
artificial-intelligence

HAWK's real problem isn't the key Claude recovered

Anthropic recovered a HAWK-256 signing key from a public key in under four hours, but the real threat is a new reduction that halves the dimension of the hard problem for all HAWK instances, pushing HAWK-512 below NIST's…

23:09
2026-07-28
sourcefeed.dev
artificial-intelligence

An AI Just Cracked HAWK-256. Read the Fine Print.

Anthropic's Claude AI found a key-recovery attack against HAWK-256, a toy parameter set of the post-quantum signature scheme, reducing work factor from 2⁶⁴ to 2³⁸ operations, but the attack exploits a weakness HAWK's des…

17:22
2026-07-28
anthropic.com
artificial-intelligence

Discovering Cryptographic Weaknesses with Claude

Researchers at Anthropic used Claude Mythos Preview to discover cryptographic weaknesses, including an improved attack on the HAWK digital signature scheme that cuts its key strength in half and a new attack on a reduced…

13:47
2026-07-28
promptcube3.com
ai-tools

is there a dedicated forum for Cursor and Claude C

Cursor maintains a dedicated official community forum at forum.cursor.com for IDE optimizations, bug reports, and feature requests, while Claude Code discussions are decentralized across Anthropic's developer forums, Red…

23:14
2026-07-27
byteiota.com
artificial-intelligence

Microsoft MAI-Cyber-1-Flash Beats Mythos, Costs Half as Much

Microsoft launched MAI-Cyber-1-Flash, its first AI model built for cybersecurity vulnerability detection, scoring 95.95% on the CyberGym benchmark — 12 points above Anthropic's Mythos 5 — at roughly half the cost of its …

16:01
2026-07-27
pub.towardsai.net
artificial-intelligence

Your Agent Has Too Many Tools, and No Way to Take Any Back

Anthropic released Claude Opus 5 on 24 July 2026 at $5 and $25 per million input and output tokens, featuring a new mechanism that decouples tool declaration from runtime tool availability via tool_addition and tool_remo…

09:57
2026-07-26
dev.to
artificial-intelligence

Claude Opus 5 vs Fable 5: Which Tier Earns the Money

Anthropic released Claude Opus 5 on July 24 at the same price as Opus 4.8 ($5/$25 per million tokens), closing most of the performance gap with the more expensive Fable 5 ($10/$50). Opus 5 scores 79.2% on SWE-bench Pro v…

09:56
2026-07-26
dev.to
artificial-intelligence

Opus 5 vs GPT-5.6 Sol vs Kimi K3: Who Leads Now?

Three AI labs shipped flagship models in fifteen days: OpenAI's GPT-5.6 Sol on July 9, Moonshot AI's Kimi K3 on July 16, and Anthropic's Claude Opus 5 on July 24. Opus 5 leads on SWE-bench Pro (79.2% vs 64.6%) and ARC-AG…

18:49
2026-07-25
bradenkelley.com
artificial-intelligence

Why Conversations Are the New Digital Gold

Conversational AI assistants like Google's Gemini, OpenAI's ChatGPT, and Anthropic's Claude are disrupting the traditional clickstream-based digital economy, creating an 'intelligence blackout' for brands as consumer beh…

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