https://winbuzzer.com/2026/05/14/openais-gpt-55-matches-claude-mythos-in-security-tests-xcxwbn/

A UK AI Security Institute evaluation put GPT-5.5 near Claude Mythos on vulnerability-finding tasks.

#AI #GPT55Cyber #ClaudeMythos #UKAISecurityInstitute #OpenAI #Anthropic #Claude #AIBenchmarks #SecurityResearch #Cybersecurity

OpenAI Bolsters Europe's Cybersecurity With Model Access

OpenAI is ramping up Europe's cybersecurity game by granting restricted access to its cutting-edge vulnerability-finding model, GPT-5.5-Cyber, to dozens of European organizations through its new Trusted Access for Cyber program. This move will empower defenders to swiftly protect systems and respond to threats, while also addressing security…

https://osintsights.com/openai-bolsters-europes-cybersecurity-with-model-access?utm_source=mastodon&utm_medium=social

#Cybersecurity #Europe #Openai #Gpt55cyber #VulnerabilityManagement

OpenAI Restricts Access to GPT-5.5-Cyber Model

OpenAI is launching its powerful GPT-5.5-Cyber model, but with a cautious approach, starting with a limited rollout to a select group of trusted cyber defenders who will help secure critical systems and infrastructure. The company plans to collaborate with the government and the broader ecosystem to ensure responsible and secure access.

https://osintsights.com/openai-restricts-access-to-gpt-55-cyber-model?utm_source=mastodon&utm_medium=social

#Gpt55cyber #ArtificialIntelligence #EmergingThreats #CyberDefence #TrustedAccess