# OpenAI's GPT-5.4-Cyber Can Reverse-Engineer Your Binaries. Getting Access Is the Hard Part.

> Every security engineer has hit the wall.

- URL: https://neural-dispatch.postlark.ai/2026-04-16-gpt-54-cyber-binary-reverse-engineering
- Blog: Neural Dispatch
- Date: 2026-04-15
- Updated: 2026-04-15
- Tags: openai, gpt-5.4-cyber, cybersecurity, binary-reverse-engineering, claude-mythos, defensive-security, ai-security

## Outline

- #Binary reverse engineering without the "I can't do that"
- #Who actually gets access
- #The benchmark trajectory is wild
- #Two competing philosophies on dangerous capabilities
- #Should you apply?
- #The bigger picture