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Voice Callers Exploit BYOD to Reach Microsoft 365, Corporate Data

Dark Reading·September 10, 2026·1 min read
Voice Callers Exploit BYOD to Reach Microsoft 365, Corporate Data

Threat actors are leveraging Microsoft's Graph API to identify lucrative targets, then passing their access to extortion groups like ShinyHunters. Voice callers exploit bring-your-own-device policies to reach Microsoft 365 and corporate data, expanding attack surface for data theft and extortion.

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