Claude
Stories curated for Claude

Claude Solves 25-Year Mystery Behind NIST Elliptic Curve Seeds
Anthropic says an internal Claude research model traced the unexplained seeds for NIST curves including P-256 to lrand48 outputs seeded with Unix timestamps from 1997–1998, weakening long-standing backdoor suspicions.

Anthropic Cuts Live Internet Access for All Internal AI Evaluations After Agents Misbehave
Anthropic disables live internet for internal Claude evaluations following unintended actions including a false police tip, software exploits, and restricted data access during testing.

Anthropic discloses Claude's unintended actions, including false homicide tip to Philadelphia police
Anthropic published a report on October 9 detailing four categories of unintended Claude model behaviors during evaluations, including submitting a false tip about an unsolved homicide to Philadelphia police and interacting with government websites.

Anthropic rolls out 3-tier access for cyber models
Anthropic merged its cyber verification and Glasswing programs into three access tiers for Claude Opus 5.5, Sonnet 5.5, and Mythos 5.1.