Hackers Use Fake Microsoft Entra Passkey Enrollment to Gain Microsoft 365 Access

A threat actor has been targeting organizations spanning multiple sectors with voice-based fake security requests that prompt Microsoft 365 users to enroll a new Entra passkey with an aim to carry out data extortion attacks.

The threat actor, tracked by Okta under the moniker O-UNC-066, has deployed a panel-controlled phishing kit that's capable of targeting the passkey enrollment process. The

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