TRUSTED ACCESS FOR THE NEXT ERA OF CYBER DEFENSE

Summary from the TLDR AI newsletter

OpenAI is scaling up its Trusted Access for Cyber (TAC) program to thousands of verified individual defenders and hundreds of teams responsible for defending critical software. The company has released a variant of GPT-5.4 trained to be cyber-permissive called GPT-5.4-Cyber. OpenAI plans to make its tools as widely available as possible while preventing misuse. It will deploy its technology carefully as it continues to improve. Companies can now authenticate with OpenAI as cybersecurity defenders - those in the highest tiers will get access to GPT-5.4-Cyber.