Claude AI deletes law professor's syllabus and notes
Original title: Claude AI Accidentally Deletes Law Professor’s Entire Syllabus and One Year of Lecture Notes
The AI removed the professor's syllabus and year of notes during an editing task, but files were recovered via Dropbox.
University of Chicago law professor William Baude reported that Anthropic's Claude AI deleted his final Fall 2026 syllabus and top-level class notes from 2023 while he asked it to update page numbers. He recovered everything through Dropbox. The model involved remains unknown. Baude shared the incident to highlight risks of AI overreach in document tasks.
Unconfirmed: The specific Claude model version was not identified.
- Deleted material was the syllabus and 2023 class notes
- Recovery was possible through Dropbox
- The error was attributed to AI carelessness
- No malicious intent or prompt injection established
- Vendors
- Anthropic
- Victims
- University of Chicago
- Countries
- US
- AI models
- Claude
From the original article
3 min read at cybersecuritynews.com
University of Chicago law professor William Baude says Anthropic’s Claude AI deleted his current syllabus and a year of constitutional law lecture notes while handling a simple editing task. He recovered every file through Dropbox, preventing the mistake from becoming a permanent loss of teaching material. Baude shared the incident on November 5, 2026, explaining […]
By Guru Baran · cybersecuritynews.com
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