<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>RuntimeRebel — #Claude Mythos</title><description>Cybersecurity articles tagged #Claude Mythos on RuntimeRebel.</description><link>https://runtimerebel.com</link><item><title>Claude Mythos: Securing LLMs in Enterprise — Hype vs. Reality</title><link>https://runtimerebel.com/blog/claude-mythos-securing-llms-in-enterprise-hype-vs-reality</link><guid isPermaLink="true">https://runtimerebel.com/blog/claude-mythos-securing-llms-in-enterprise-hype-vs-reality</guid><description>Examine the security implications of Anthropic&apos;s Claude Mythos and other LLMs in enterprise.</description><pubDate>Thu, 30 Jul 2026 17:32:21 GMT</pubDate><category>Claude Mythos</category><category>Anthropic</category><category>Large Language Models</category><category>LLM Security</category><category>Prompt Injection</category><category>AI Governance</category><category>Enterprise AI</category></item><item><title>Anthropic Claude Mythos-Class Models: Security Implications of Public Rollout</title><link>https://runtimerebel.com/blog/anthropic-claude-mythos-class-models-security-implications-of-public-rollout</link><guid isPermaLink="true">https://runtimerebel.com/blog/anthropic-claude-mythos-class-models-security-implications-of-public-rollout</guid><description>Anthropic confirms public rollout plans for Claude Mythos-class models, addressing previous delays caused by software security risks and safety concerns.</description><pubDate>Fri, 29 May 2026 01:00:17 GMT</pubDate><category>Anthropic</category><category>Claude Mythos</category><category>AI Security</category><category>Prompt Injection</category><category>Large Language Models</category></item><item><title>Anthropic Project Glasswing Uncovers 10,000 High-Severity Flaws</title><link>https://runtimerebel.com/blog/anthropic-project-glasswing-uncovers-10000-high-severity-flaws</link><guid isPermaLink="true">https://runtimerebel.com/blog/anthropic-project-glasswing-uncovers-10000-high-severity-flaws</guid><description>Anthropic&apos;s Claude Mythos AI identifies over 10,000 critical and high-severity vulnerabilities in systemically important software via Project Glasswing.</description><pubDate>Sat, 23 May 2026 16:25:32 GMT</pubDate><category>Anthropic</category><category>Project Glasswing</category><category>Claude Mythos</category><category>Vulnerability Research</category><category>AI Security</category></item><item><title>GPT-5.5 Performance in Automated Vulnerability Discovery</title><link>https://runtimerebel.com/blog/gpt-5-5-performance-in-automated-vulnerability-discovery</link><guid isPermaLink="true">https://runtimerebel.com/blog/gpt-5-5-performance-in-automated-vulnerability-discovery</guid><description>An analysis of GPT-5.5 and Claude Mythos capabilities in identifying security vulnerabilities based on UK AI Security Institute evaluations.</description><pubDate>Wed, 13 May 2026 12:54:52 GMT</pubDate><category>GPT 5 5</category><category>Claude Mythos</category><category>AI Security</category><category>Vulnerability Discovery</category><category>AISI</category></item><item><title>Claude Mythos: Analyzing AI Threat Rumors in Japan Finance Sector</title><link>https://runtimerebel.com/blog/claude-mythos-analyzing-ai-threat-rumors-in-japan-finance-sector</link><guid isPermaLink="true">https://runtimerebel.com/blog/claude-mythos-analyzing-ai-threat-rumors-in-japan-finance-sector</guid><description>An investigation into the Claude Mythos panic in Japan&apos;s financial sector and how security experts distinguish between AI hype and actual cyber risks.</description><pubDate>Thu, 30 Apr 2026 05:12:59 GMT</pubDate><category>Claude Mythos</category><category>Anthropic</category><category>Japan</category><category>Adversarial AI</category><category>Financial Services</category></item><item><title>Firefox 150 Patch: 271 Zero-Days Found via Claude Mythos — Update Now</title><link>https://runtimerebel.com/blog/firefox-150-patch-271-zero-days-found-via-claude-mythos-update-now</link><guid isPermaLink="true">https://runtimerebel.com/blog/firefox-150-patch-271-zero-days-found-via-claude-mythos-update-now</guid><description>Firefox 150 addresses 271 vulnerabilities discovered by Anthropic’s Claude Mythos AI model, highlighting a shift in automated vulnerability discovery.</description><pubDate>Wed, 29 Apr 2026 12:42:45 GMT</pubDate><category>Firefox</category><category>Anthropic</category><category>Claude Mythos</category><category>Mozilla</category><category>AI Security</category><category>Browser Security</category></item><item><title>Defending the Zero-Window Era: AI-Driven Exploitation and NDR</title><link>https://runtimerebel.com/blog/defending-the-zero-window-era-ai-driven-exploitation-and-ndr</link><guid isPermaLink="true">https://runtimerebel.com/blog/defending-the-zero-window-era-ai-driven-exploitation-and-ndr</guid><description>Anthropic’s Claude Mythos and Project Glasswing have eliminated traditional patching windows. Learn why NDR is essential for defending against AI-driven exploits.</description><pubDate>Tue, 28 Apr 2026 12:44:14 GMT</pubDate><category>Claude Mythos</category><category>Project Glasswing</category><category>AI Security</category><category>NDR</category><category>Zero Window</category></item><item><title>AI Vulnerability Storm: Preparing for Post-Mythos Exploits</title><link>https://runtimerebel.com/blog/ai-vulnerability-storm-preparing-for-post-mythos-exploits</link><guid isPermaLink="true">https://runtimerebel.com/blog/ai-vulnerability-storm-preparing-for-post-mythos-exploits</guid><description>CISOs must prepare for an &apos;AI vulnerability storm&apos; triggered by Anthropic&apos;s Claude Mythos. Proactive security frameworks are essential to mitigate new risks.</description><pubDate>Tue, 14 Apr 2026 00:45:51 GMT</pubDate><category>AI Security</category><category>Cloud Security Alliance</category><category>Claude Mythos</category><category>Generative AI</category><category>AI Vulnerabilities</category><category>Risk Management</category></item><item><title>Claude Mythos Identifies Thousands of Zero-Day Flaws in Major Systems</title><link>https://runtimerebel.com/blog/claude-mythos-identifies-thousands-of-zero-day-flaws-in-major-systems</link><guid isPermaLink="true">https://runtimerebel.com/blog/claude-mythos-identifies-thousands-of-zero-day-flaws-in-major-systems</guid><description>Anthropic&apos;s Project Glasswing uses the Claude Mythos AI model to uncover thousands of zero-day vulnerabilities across infrastructure from AWS, Google, and Cisco.</description><pubDate>Wed, 08 Apr 2026 12:26:56 GMT</pubDate><category>Anthropic</category><category>Claude Mythos</category><category>Project Glasswing</category><category>Zero-Day</category><category>AI Driven Security</category><category>Vulnerability Research</category></item><item><title>Anthropic Claude Mythos: Dual-Use AI for Cyber Defense and Offense</title><link>https://runtimerebel.com/blog/anthropic-claude-mythos-dual-use-ai-for-cyber-defense-and-offense</link><guid isPermaLink="true">https://runtimerebel.com/blog/anthropic-claude-mythos-dual-use-ai-for-cyber-defense-and-offense</guid><description>Anthropic&apos;s Claude Mythos AI, part of Project Glasswing, promises to revolutionize software security but also risks enhancing adversary capabilities.</description><pubDate>Tue, 07 Apr 2026 20:19:10 GMT</pubDate><category>Anthropic</category><category>Claude Mythos</category><category>Project Glasswing</category><category>AI Security</category><category>LLM</category><category>Dual Use Technology</category></item></channel></rss>