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Hackers Using Malicious OAuth Apps to Take Over Email Servers

Written By Friday, 23 September 2022 Add Comment



September 23, 2022 at 10:44AM

Microsoft on Thursday warned of a consumer-facing attack that made use of rogue OAuth applications on compromised cloud tenants to ultimately seize control of Exchange servers and spread spam. "The threat actor launched credential stuffing attacks against high-risk accounts that didn't have multi-factor authentication (MFA) enabled and leveraged the unsecured administrator accounts to gain

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