Wednesday, July 29, 2026 - 5 Minute AI News

AI leaders urge the US government to decelerate frontier development, Anthropic's Claude breaks encryption, Dario Amodei defends his open-source stance, Amazon pivots from Nova, and Cyera acquires Oasis Security.AI Leaders Urge US Government to Decelerate Frontier AI Development — Employees from major labs and OpenAI's CEO are asking the government to intervene in AI development. This marks a notable shift as developers cite emerging security and safety fears.Anthropic's Claude Model Discovers Cryptographic Vulnerabilities in 60 Hours — Anthropic’s Claude Mythos Preview successfully identified weaknesses in a post-quantum signature scheme. The discovery demonstrates that frontier models can challenge fundamental internet security standards.Anthropic CEO Dario Amodei Clarifies Stance on Open-Weight AI Models — Dario Amodei insists he never called for an outright ban on open-source AI, despite warning of security risks. Critics argue he is primarily protecting Anthropic from cheaper competition.Amazon Winds Down Nova Models to Focus on New Foundation Model — Amazon is placing its current Nova models into maintenance mode. The company is pivoting resources to a newly formed research group to develop a competitive frontier model.Data Security Firm Cyera Acquires Oasis Security for One Billion Dollars — Cyera is acquiring Oasis Security to safeguard the deployment of AI agents across enterprise networks. The transaction highlights the consolidation and high valuations in the AI security sector.Five stories. Five minutes. Every weekday.