OpenAI introduces Lockdown Mode and Elevated Risk labels to mitigate prompt injection attacks//OpenAI is rolling out two new security protections to help users and organizations defend against prompt injection attacks: Lockdown Mode, an optional advanced security setting that restricts how ChatGPT interacts with external systems, and standardized "Elevated Risk" labels for features that may introduce additional security concerns. Lockdown Mode is now available for enterprise customers and will be rolled out to consumers in the coming months. featuresecurityapi
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OpenAI updates GPT-5.2 Instant, launches GPT-5.3-Codex with 25% faster performance//OpenAI has released multiple model updates including an improved GPT-5.2 Instant with more measured responses and clearer output on advice-seeking questions. The company also introduced GPT-5.3-Codex, a unified coding model combining code generation with general-purpose reasoning, delivering 25% faster performance and new benchmark highs. releasefeatureapimodelplatform
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OpenAI deploys ChatGPT to Pentagon's GenAI.mil platform for 3 million personnel//OpenAI is bringing a custom version of ChatGPT to GenAI.mil, the Department of Defense's secure enterprise AI platform used by military and civilian personnel. The deployment includes built-in safety controls and data isolation safeguards to protect sensitive government information while enabling service members to access AI capabilities for operational and administrative tasks. releaseplatformintegrationsecurity
OpenAI Launches Trusted Access for Cyber, Commits $10M in API Credits for Defensive Security Work//OpenAI is introducing Trusted Access for Cyber, an identity-based framework that grants priority access to GPT-5.3-Codex and other frontier models for cybersecurity professionals and researchers. The initiative includes $10 million in API credits through the scaled Cybersecurity Grant Program to accelerate vulnerability discovery and remediation in open source and critical infrastructure. featureapisecuritymodelplatform
OpenAI launches Codex app for macOS with multi-agent orchestration and skill framework//OpenAI has released the Codex app for macOS, a dedicated interface for managing and running multiple coding agents in parallel on long-running tasks. The release includes expanded access to Codex through ChatGPT Free and Go plans, doubled rate limits across paid tiers, and a new skills framework that extends Codex beyond code generation to handle complex workflows and integrations. releasefeatureplatformapiintegrationopen-source
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