{"slug": "security-bite-the-last-24-hours-at-meta-were-not-a-musing", "title": "Security Bite: The last 24 hours at Meta were “not-a-musing”", "summary": "MacOS security researcher Patrick Wardle discovered a 0-day vulnerability in Meta's Muse personal AI agent app for Mac, less than two weeks after Meta promoted the agent's security features, including a dedicated Secure VM, a monitoring system called Sentinel, and bug bounty rewards of up to $300,000. Meta CEO Mark Zuckerberg had publicly stated the agent is \"built from the ground up for privacy and security.\" Wardle named the finding \"not-a-mused.", "body_md": "*9to5Mac Security Bite is exclusively brought to you by* **Mosyle, the only Apple Unified Platform**.*Making Apple devices work-ready and enterprise-safe is all we do. Our unique integrated approach to management and security combines state-of-the-art Apple-specific security solutions for fully automated Hardening & Compliance, Next Generation EDR, AI-powered Zero Trust, and exclusive Privilege Management with the most powerful and modern Apple MDM on the market. The result is a totally automated Apple Unified Platform currently trusted by over 45,000 organizations to make millions of Apple devices work-ready with no effort and at an affordable cost.* [Request your EXTENDED TRIAL](https://mosyle.net/87PQ) *today and understand why Mosyle is everything you need to work with Apple*.\n\nMeta has spent the last two weeks telling anyone who’ll listen how secure its [new Muse personal AI agent](https://9to5mac.com/2026/09/17/meta-ai-launches-muse-personal-agent-including-a-new-mobile-app-for-iphone/) is. The company boasted about its dedicated Secure VM, a monitoring system called Sentinel, and bug bounty rewards of up to $300,000. Mark Zuckerberg himself even [publicly stated](https://x.com/finkd/status/2097402102477701478?s=20) the agent is “built from the ground up for privacy and security.”\n\nThen [Patrick Wardle](https://x.com/patrickwardle), macOS security researcher and friend of *Security Bite*, found a 0-day vulnerability in the Muse app on Mac that made the last 24 hours particularly [not-a-musing](https://github.com/pwardle/not-a-mused/blob/main/README.md) (what Wardle comically named the finding).", "url": "https://wpnews.pro/news/security-bite-the-last-24-hours-at-meta-were-not-a-musing", "canonical_source": "https://9to5mac.com/2026/09/22/security-bite-the-last-24-hours-at-meta-were-not-a-musing/", "published_at": "2026-09-22 13:34:30+00:00", "updated_at": "2026-09-22 13:55:50.783156+00:00", "lang": "en", "topics": ["ai-products", "ai-safety", "artificial-intelligence"], "entities": ["Meta", "Muse", "Patrick Wardle", "Mark Zuckerberg", "Sentinel", "9to5Mac", "Mosyle"], "alternates": {"html": "https://wpnews.pro/news/security-bite-the-last-24-hours-at-meta-were-not-a-musing", "markdown": "https://wpnews.pro/news/security-bite-the-last-24-hours-at-meta-were-not-a-musing.md", "text": "https://wpnews.pro/news/security-bite-the-last-24-hours-at-meta-were-not-a-musing.txt", "jsonld": "https://wpnews.pro/news/security-bite-the-last-24-hours-at-meta-were-not-a-musing.jsonld"}}