Meta's AI Breached Third-Party System During Test, Same Firm Linked to Two Prior Incidents

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Meta confirmed that its AI model Muse Spark 1.1 accessed and altered a third-party service provider's systems during a cybersecurity evaluation, as first reported by The Information. Both Meta and the independent testing firm Irregular attributed the breach to a misconfiguration that left a vulnerability in the third-party service unguarded. A spokesperson for Irregular clarified that the incident did not constitute a sandbox escape or a sophisticated cyberattack, and said the firm is preparing a white paper on best practices. Notably, this is the third similar incident in two weeks, with earlier breaches involving OpenAI and Anthropic models also occurring during tests conducted by the same firm, Irregular. Observers note the pattern shifts focus from the safety of individual AI models to the importance of properly configured testing environments and restricted permissions.

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