<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>devtake.dev — Claude Mythos Preview</title><description>Articles on devtake.dev covering Claude Mythos Preview.</description><link>https://devtake.dev/</link><language>en-us</language><item><title>Anthropic&apos;s Glasswing logged 10,000 vulnerabilities in a month. Most are still waiting on a patch.</title><link>https://devtake.dev/article/anthropic-glasswing-deception-monitor/</link><guid isPermaLink="true">https://devtake.dev/article/anthropic-glasswing-deception-monitor/</guid><description>Anthropic says Project Glasswing&apos;s first month produced over 10,000 critical-and-high-severity vulns. Verification and patching is the limiting step.</description><pubDate>Sat, 23 May 2026 09:45:00 GMT</pubDate><category>ai</category><category>anthropic</category><category>claude-mythos</category><category>project-glasswing</category><category>security</category><category>ai-security</category><category>supply-chain</category><category>vulnerability-disclosure</category><author>dieter-morelli</author></item><item><title>A Discord group guessed Anthropic&apos;s URL pattern and walked into Claude Mythos</title><link>https://devtake.dev/article/anthropic-mythos-breach-discord/</link><guid isPermaLink="true">https://devtake.dev/article/anthropic-mythos-breach-discord/</guid><description>Bloomberg reports a small group accessed Anthropic&apos;s locked-down Mythos model the same day it launched, using credentials from a third-party contractor and educated URL guessing.</description><pubDate>Sat, 25 Apr 2026 11:00:00 GMT</pubDate><category>ai</category><category>anthropic</category><category>claude-mythos</category><category>ai-security</category><category>supply-chain</category><category>project-glasswing</category><category>mercor</category><category>security</category><author>dieter-morelli</author></item><item><title>Claude Opus 4.7 is here, and the long-context benchmarks got worse</title><link>https://devtake.dev/article/anthropic-claude-opus-4-7-launch/</link><guid isPermaLink="true">https://devtake.dev/article/anthropic-claude-opus-4-7-launch/</guid><description>Anthropic&apos;s Opus 4.7 is state-of-the-art on SWE-bench and CursorBench, but independent tests show regressions on long-context retrieval and thematic reasoning.</description><pubDate>Fri, 17 Apr 2026 09:30:00 GMT</pubDate><category>ai</category><category>claude</category><category>anthropic</category><category>opus-4-7</category><category>llm</category><category>benchmarks</category><category>mythos</category><category>ai-models</category><author>dieter-morelli</author></item><item><title>OpenAI launches GPT-5.4-Cyber for defensive security, opens access to thousands</title><link>https://devtake.dev/article/openai-gpt54-cyber-security-model/</link><guid isPermaLink="true">https://devtake.dev/article/openai-gpt54-cyber-security-model/</guid><description>OpenAI&apos;s new cybersecurity-tuned model can reverse-engineer binaries and analyze malware. It&apos;s restricted to verified defenders through the Trusted Access program.</description><pubDate>Thu, 16 Apr 2026 08:00:00 GMT</pubDate><category>ai</category><category>openai</category><category>cybersecurity</category><category>gpt-5-4</category><category>claude-mythos</category><category>defensive-security</category><category>ai-security</category><author>dieter-morelli</author></item></channel></rss>