Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel. The company's Detection and Response Team (DART) ...

SesameOp malware uses OpenAI’s Assistants API as a covert command-and-control channel It enables persistent access, runs commands, and exfiltrates data via encrypted API traffic Microsoft urges ...

OpenAI and Microsoft formalized a restructured partnership in October 2025, transitioning OpenAI to a for-profit public ...

Microsoft and OpenAI are overhauling their partnership as part of a major recapitalization effort aimed at preparing for the arrival of artificial general intelligence (AGI). Under the new structure, ...

Microsoft and OpenAI have announced they are redefining their partnership as part of a major recapitalization effort aimed at preparing for the arrival of artificial general intelligence (AGI). Under ...

The release of GPT-5 on Thursday gave Microsoft an opportunity to spotlight its exclusive cloud API partnership with OpenAI — and Elon Musk helped to boost attention, in a roundabout way. Microsoft ...

Microsoft is bringing the Grok 3 and Grok 3 mini AI models from Elon Musk’s xAI to its Azure AI Foundry platform, as new offerings hosted and billed directly by Microsoft from within the company’s ...

OpenAI’s New Open Models Are Available on Microsoft’s Azure AI Foundry Your email has been sent Developers can now build, test, and deploy applications powered by OpenAI’s gpt-oss models within the AI ...

Microsoft (MSFT) and Yahoo Finance 2025 Company of the Year award winner OpenAI (OPAI.PVT) may still be deeply intertwined, but Wall Street thinks the real story is how the former has begun to dance ...

OpenAI's restructuring plan, which would allow the company to eventually launch an initial public offering, will likely be delayed until at least early 2026 due to ongoing negotiations with its ...

Microsoft and OpenAI announced they are redefining their partnership as part of a major recapitalization effort aimed at preparing for the arrival of artificial general intelligence (AGI). Under the ...