After dissing Anthropic for limiting Mythos, OpenAI restricts access to Cyber, too

📰 TechCrunch AI

OpenAI restricts access to GPT-5.5 Cyber, a cybersecurity testing tool, to critical cyber defenders, learn how to prepare for similar AI-powered cybersecurity tools

intermediate Published 30 Apr 2026

Action Steps

Research GPT-5.5 Cyber's capabilities and limitations
Evaluate current cybersecurity protocols for potential integration with AI-powered tools
Develop a strategy for requesting access to restricted AI-powered cybersecurity tools
Explore alternative AI-powered cybersecurity solutions
Stay updated on the latest developments in AI-powered cybersecurity

Who Needs to Know This

Cybersecurity teams and critical cyber defenders can benefit from understanding the restricted access to GPT-5.5 Cyber and how to effectively utilize similar AI-powered tools

Key Insight

💡 AI-powered cybersecurity tools are being restricted to critical users, emphasizing the need for strategic planning and evaluation of cybersecurity protocols