Lockdown Mode
AssessTechniques
A security mode that restricts outbound network activity to reduce data exfiltration risk.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 7Simon Willison·6/5/2026securityOpenAI rolls out ChatGPT Lockdown Mode
OpenAI has launched Lockdown Mode for eligible personal and self-serve ChatGPT Business accounts. The feature limits outbound network requests to reduce the risk of data exfiltration in prompt injection attacks, though it does not stop malicious prompt injections from entering the model's inputs.