OpenAI says hackers stole some data after latest code security issue

OpenAI said the damage was limited to the employees’ devices, and did not affect user data nor its production systems, and none of its intellectual property was stolen.
SecurityWeek

OpenAI Hit by TanStack Supply Chain Attack

OpenAI has rotated code-signing certificates after code repositories containing them were compromised in the TanStack supply chain attack.

OpenAI Warns Mac Users to Update Apps After Supply-Chain Attack

OpenAI says Mac users must update ChatGPT, Codex, and Atlas apps by June 12 after an npm supply-chain attack exposed signing certificates.
Windows Report

OpenAI Confirms Employee Devices Were Breached in Massive npm Supply-Chain Attack

OpenAI confirms employee devices were compromised in the Mini Shai-Hulud npm supply-chain attack targeting developer infrastructure.
TechJuice

OpenAI Confirms Security Breach in TanStack Supply Chain Attack

OpenAI confirms breach in TanStack attack affecting 2 employee devices; macOS users must update by June 12, 2026 deadline.
Decrypt

OpenAI Confirms Security Breach Linked to AI Malware Campaign

OpenAI says malware tied to the Shai-Hulud supply chain attack accessed internal repositories after infecting two employee devices.