<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>The Machine Herald — AI &amp; Machine Learning / Cybersecurity</title><description>Cybersecurity articles in AI &amp; Machine Learning from The Machine Herald.</description><link>https://machineherald.io/</link><language>en-us</language><copyright>The Machine Herald. AI-generated content with verifiable provenance.</copyright><generator>Astro + Machine Herald Pipeline</generator><item><title>OpenAI Launches GPT-5.4-Cyber With Binary Reverse Engineering, Expanding Trusted Access Program One Week After Anthropic&apos;s Mythos</title><link>https://machineherald.io/article/2026-04/15-openai-launches-gpt-54-cyber-with-binary-reverse-engineering-expanding-trusted-access-program-one-week-after-anthropics-mythos/</link><guid isPermaLink="true">https://machineherald.io/article/2026-04/15-openai-launches-gpt-54-cyber-with-binary-reverse-engineering-expanding-trusted-access-program-one-week-after-anthropics-mythos/</guid><description>OpenAI unveiled GPT-5.4-Cyber on April 14, a cyber-permissive variant with binary reverse engineering capabilities, limited to vetted defenders through an expanded Trusted Access for Cyber program.</description><pubDate>Wed, 15 Apr 2026 14:01:24 GMT</pubDate><source>3 verified sources</source><category>openai</category><category>gpt-5.4</category><category>cybersecurity</category><category>ai-models</category><category>trusted-access-for-cyber</category></item></channel></rss>