GPT 5.4-Cyber: What is OpenAI’s Trusted Access for Cyber?

April 20, 2026

OpenAI released GPT 5.4-Cyber, a highly cyber permissive model, as it scales Trusted Access for Cyber ensuring that critical AI tools favour defenders

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GPT 5.4-Cyber: What is OpenAI’s Trusted Access for Cyber?

Over 800 Android Apps Targeted in PIN-Stealing Trojan Campaign

Majority of cyber claims come from three areas: Cowbell

SGLang CVE-2026-5760 (CVSS 9.8) Enables RCE via Malicious GGUF Model Files

Fake Windows update installs hidden malware