OpenAI rolls out a Lockdown Mode for extra protection against prompt injection attacks The company says most users don’t need to use the feature. By Igor Bonifacic June 5, 2026   OpenAI OpenAI has begun rolling out Lockdown Mode, an optional security setting designed to offer users advanced protection from prompt injection attacks. For the unfamiliar, … Continue reading OpenAI rolls out a Lockdown Mode for extra protection against prompt injection attacks →