logo

OpenAI’s GPT-5.5 is out with expanded cybersecurity safeguards

ID: d25cef18-3a0c-5c3e-b72d-30e6f5749fcb

STIX ID: report--d25cef18-3a0c-5c3e-b72d-30e6f5749fcb

Feed Name: Help Net Security

Date Published: 2026-04-24

Date Updated: 2026-04-28

Author: Sinisa Markovic

...
...

OpenAI announced GPT-5.5, a model with improved reasoning, coding, and tool use along with tightened cybersecurity-focused safeguards; reviewers found performance gains that can assist vulnerability research and narrow cyber tasks, while emphasizing remaining limitations and the company’s measures to limit misuse.

Your team is not currently subscribed to this feed. You must subscribe to it in order to see this post.