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New ‘Reprompt’ Attack Silently Siphons Microsoft Copilot Data

ID: a09b62f2-b010-5f07-81dd-6985fa1b1520

STIX ID: report--a09b62f2-b010-5f07-81dd-6985fa1b1520

Feed Name: SecurityWeek

Date Published: 2026-01-15

Date Updated: 2026-04-23

Author: Ionut Arghire

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