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Muse Creates Detailed Profiles of All Your Friends and Family

ID: 28f2d9de-5dc6-5546-a99a-0796c03bd42a

STIX ID: report--28f2d9de-5dc6-5546-a99a-0796c03bd42a

Feed Name: WIRED Security

Threat Score
25/100

Date Published: 2026-10-03

Date Updated: 2026-10-03

Author: Lily Hay Newman, Matt Burgess

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Meta’s new AI assistant Muse has become widely adopted, and researchers recently extracted and published internal instruction files and system prompts from the app. The leaked files reveal how Muse organizes user data (including creating pages for people in a user’s life) and provide insight into its behavior and handling of sensitive topics, raising privacy and transparency concerns.

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