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Thomas Ptacek

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// recent coverage 4 mentions

16:07
2026-08-21
simonwillison.net
generative-ai

Stop Making TUIs

Simon Willison, a software developer, reports that he continues to use two macOS task bar apps he built with vibe-coded SwiftUI in March, and he endorses Thomas Ptacek's advice that developers should …

12:29
2026-08-01
pluralistic.net
artificial-intelligence

Pluralistic: Why businesses lie about AI (01 Aug 2026)

Nikhil Suresh, a consultant at Hermit Tech, reports that hundreds of executives privately admit AI has not changed their businesses, but they publicly claim otherwise to keep their jobs, as detailed i…

23:59
2026-07-22
simonwillison.net
ai-safety

Quoting Thomas Ptacek

Security researcher Thomas Ptacek said an open weights model from 2025 with a pentest harness could perform sandbox escapes and network scans, calling OpenAI's sandbox vulnerabilities unremarkable. Pt…

23:00
2026-07-13
pac.commonsware.com
artificial-intelligence

Red Team All the Things

Security expert Thomas Ptacek argues that LLM agents are uniquely suited for vulnerability research, and Anthropic researcher Nicholas Carlini demonstrated that a simple prompt to Claude Opus can iden…

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