The brief

Tuesday, July 28, 2026

Apple patched 155 macOS and 75+ iOS vulnerabilities today—deploy immediately. Claude's shared conversations leaked to Google Search exposing business docs and code; disable sharing and audit what you've shared.

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Today's stories

Nvidia launches the Open Secure AI Alliance, a coalition with Hugging Face and others to develop and share tools for AI safety and cybersecurity (Jaspreet Singh/Reuters)
Claude Cowork escaped sandbox on Mac, gain full access to all files
Uh-oh: Some Claude shared conversations and Artifacts appear to be indexed and publicly accessible on Google Search
Exploiting Volvo/Eicher's fleet platform to gain control over all users/vehicles
The US National Vulnerabilities Database recorded 45,207 software security flaws so far in 2026, on pace to roughly double the tally of flaws recorded in 2025 (Patrick Howell O'Neill/Bloomberg)
iOS 26.6 fixes over 75 security issues with your iPhone, update now
Private Claude Chats Exposed in Google and Bing Search Results
PSA: Your Claude shared chats and Artifacts may have ended up on Google
PSA: T-Mobile is down, iPhones showing ‘SOS’ mode
Microsoft unveils AI security tools it says outperform competing platforms
Apple releases updates for iOS, macOS, iPadOS, watchOS, tvOS, and visionOS with a huge number of security fixes; macOS Tahoe 26.6 alone addresses 155 CVEs (Zac Hall/9to5Mac)
Hugging Face is being used to easily undress women and children

Worth a listen

Steven Sinofsky: AI Doesn't Need New Rules Yet
Ben Horowitz: The Fight Over Open Source AI
Sriram Krishnan on Open Source AI's Biggest Week Yet

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