AI Security Institute Reports Anthropic and OpenAI Models Going Rogue Against Organizations 2026-08-05 at 13:33 By Ionut Arghire In one instance, an unsanctioned model attempted to inject malicious code into an open source repository. The post AI Security Institute Reports Anthropic and OpenAI Models Going Rogue Against Organizations appeared first on SecurityWeek. This article is […]
CISA Reportedly Using Anthropic’s Mythos to Scan Government Software for Flaws 2026-07-07 at 16:13 By Mike Lennon The audits are reportedly being spearheaded by CISA’s Attack Surface Evaluation team, a specialized unit tasked with conducting digital defense assessments and simulated hacking exercises. The post CISA Reportedly Using Anthropic’s Mythos to Scan Government Software for Flaws
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Anthropic’s Mythos Model Found Vulnerabilities in Classified US Government Systems, Official Says 2026-06-24 at 06:29 By Associated Press Come vulnerabilities were found within hours, but that does not mean the model was able to exploit them within that time, the official said. The post Anthropic’s Mythos Model Found Vulnerabilities in Classified US Government Systems, Official
Anthropic Says It Has Taken Its Latest AI Models Offline to Comply With New Export Controls 2026-06-13 at 09:38 By Associated Press Anthropic takes Fable 5 and Mythos 5 offline to comply with a directive from the Trump administration to prevent use by foreign nationals. The post Anthropic Says It Has Taken Its Latest AI
Anthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails 2026-06-09 at 20:08 By Eduard Kovacs The AI giant also announced that Project Glasswing partners are being given access to the upgraded Mythos 5. The post Anthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails appeared first on SecurityWeek. This article is an excerpt
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Claude Mythos Turns N-Days Into N-Hours With Rapid Exploit Creation 2026-06-09 at 18:18 By Ionut Arghire Public LLM models with safeguards turned off can also build working exploits, increasing patch gap risks. The post Claude Mythos Turns N-Days Into N-Hours With Rapid Exploit Creation appeared first on SecurityWeek. This article is an excerpt from SecurityWeek
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Anthropic Expanding Mythos Access to 150 New Organizations 2026-06-02 at 17:32 By Eduard Kovacs Only approximately 50 companies have had access to Mythos until now and they have found thousands of vulnerabilities in their products. The post Anthropic Expanding Mythos Access to 150 New Organizations appeared first on SecurityWeek. This article is an excerpt from
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Anthropic: Mythos Detected 23,000 Potential Vulnerabilities Across 1,000 OSS Projects 2026-05-25 at 13:58 By Eduard Kovacs Many findings have been confirmed to be critical or high-severity vulnerabilities and the number will continue to increase. The post Anthropic: Mythos Detected 23,000 Potential Vulnerabilities Across 1,000 OSS Projects appeared first on SecurityWeek. This article is an excerpt
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Mythos Proves Potent in Vulnerability Discovery, Less Convincing Elsewhere 2026-05-14 at 18:25 By Kevin Townsend Independent benchmarking finds Mythos highly effective for source code audits, reverse engineering, and native-code analysis, though its exploit validation and reasoning capabilities remain inconsistent. The post Mythos Proves Potent in Vulnerability Discovery, Less Convincing Elsewhere appeared first on SecurityWeek. This
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Sweet Security Launches Agentic AI Red Teaming to Counter ‘Mythos Moment’ 2026-05-13 at 17:50 By Kevin Townsend New “Sweet Attack” platform uses runtime intelligence and continuous agentic red teaming to identify exploitable attack chains human teams may miss. The post Sweet Security Launches Agentic AI Red Teaming to Counter ‘Mythos Moment’ appeared first on SecurityWeek.
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Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge 2026-04-30 at 22:46 By Kevin Townsend With Mythos signaling a new era of near-instant exploitation, Anthropic positions Claude Security to help defenders keep pace. The post Anthropic Unveils Claude Security to Counter AI-Powered Exploit Surge appeared first on SecurityWeek. This article is an excerpt from SecurityWeek
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The Mythos Moment: Enterprises Must Fight Agents with Agents 2026-04-28 at 20:33 By Etay Maor Only with the right platform and an agentic, AI-driven defense, will enterprises be able to protect themselves in the agentic era. The post The Mythos Moment: Enterprises Must Fight Agents with Agents appeared first on SecurityWeek. This article is an
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Chinese Cybersecurity Firm’s AI Hacking Claims Draw Comparisons to Claude Mythos 2026-04-23 at 15:52 By Eduard Kovacs 360 Digital Security Group claims to have uncovered 1,000 vulnerabilities using AI, including at the Tianfu Cup hacking contest. The post Chinese Cybersecurity Firm’s AI Hacking Claims Draw Comparisons to Claude Mythos appeared first on SecurityWeek. This article
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Claude Mythos Finds 271 Firefox Vulnerabilities 2026-04-22 at 14:47 By Eduard Kovacs All the flaws could have also been found by an elite human researcher, according to Mozilla. The post Claude Mythos Finds 271 Firefox Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source
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OpenAI Widens Access to Cybersecurity Model After Anthropic’s Mythos Reveal 2026-04-16 at 18:37 By Eduard Kovacs GPT‑5.4‑Cyber is a model fine-tuned for defenders, lowering boundaries for legitimate cybersecurity work. The post OpenAI Widens Access to Cybersecurity Model After Anthropic’s Mythos Reveal appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source
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‘Mythos-Ready’ Security: CSA Urges CISOs to Prepare for Accelerated AI Threats 2026-04-14 at 16:21 By Kevin Townsend CISOs face a shrinking window to prepare as AI models like Mythos collapse the gap between vulnerability discovery and exploitation, driving a new era of high-velocity cyberattacks. The post ‘Mythos-Ready’ Security: CSA Urges CISOs to Prepare for Accelerated
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Anthropic Unveils ‘Claude Mythos’ – A Cybersecurity Breakthrough That Could Also Supercharge Attacks 2026-04-07 at 21:53 By Kevin Townsend New AI model drives Project Glasswing, a effort to secure critical software before advanced capabilities fall into the wrong hands. The post Anthropic Unveils ‘Claude Mythos’ – A Cybersecurity Breakthrough That Could Also Supercharge Attacks appeared first on