{"data":{"id":"0e5d66ae-7918-4949-8927-3863666534f6","title":"Nvidia unveils security platform to rein in AI agents and $150bn stock buyback","summary":"Nvidia unveiled its Open Agent Safety Platform, which includes open source software called OpenShell that lets developers formally verify an agent has enough authority to do its job, and a separate security layer called Sentry that monitors agent activity on a chip and can quarantine suspicious agents. The announcement came as Nvidia also approved a $150bn stock buyback, raising its total repurchase amount to $235bn.","solution":"Nvidia's Open Agent Safety Platform, with OpenShell and Sentry, is presented as the mitigation for rogue agent behavior; OpenShell can be extended to run on rival computing platforms including those from Arm and Intel.","labels":["security","safety"],"sourceUrl":"https://www.theguardian.com/technology/2026/sep/28/nvidia-ai-agent-security-platform-stock-buyback","publishedAt":"2026-09-28T15:32:57.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedPackageNames":null,"affectedVendors":["NVIDIA","OpenAI","Anthropic","Meta","Microsoft"],"affectedVendorsRaw":["NVIDIA OpenShell","NVIDIA Sentry","OpenAI agents","Hugging Face","Anthropic","Meta","Microsoft","Perplexity","Accenture","JPMorgan Chase"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":null,"disclosureDate":"2026-09-28T15:32:57.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["safety"],"aiComponentTargeted":"agent","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}