Claude AI models
Incidents implicated systems
Incidente 165711 Reportes
Anthropic Allegedly Copied Copyrighted Song Lyrics Without Permission to Train Claude
2023-09-27
Music publishers alleged that Anthropic copied copyrighted song lyrics without permission to train Claude and that Claude reproduced protected lyrics in its outputs. Anthropic denied infringement and has argued that its training use is fair use. Publishers alleged that the conduct deprived rightsholders and songwriters of licensing control and revenue and undermined markets for licensed lyrics.
MásIncidente 10545 Reportes
Anthropic Report Details Claude Misuse for Influence Operations, Credential Stuffing, Recruitment Fraud, and Malware Development
2025-04-23
In April 2025, Anthropic published a report detailing several misuse cases involving its Claude LLM, all detected in March. These included an "influence-as-a-service" operation that orchestrated over 100 social media bots; an effort to scrape and test leaked credentials for security camera access; a recruitment fraud campaign targeting Eastern Europe; and a novice actor developing sophisticated malware. Anthropic banned the accounts involved but could not confirm downstream deployment.
MásIncidente 16613 Reportes
Aurora Ransomware Operator Reportedly Used Cursor Agent to Assist Intrusions Against Multiple Organizations
2026-04-08
Between April 8 and May 21, 2026, a Russian-speaking operator linked to the Aurora ransomware group reportedly used Cursor Agent, running Anthropic's Claude Sonnet 4.5, to assist exploitation across multiple organizations. Researchers said some AI-directed tasks succeeded while others failed; independent reporting identified six affected companies but could not determine how much the AI facilitated each breach or whether all led to data theft or extortion.
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