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Fake 'IT support' contacts on Microsoft Teams follow spam floods, Arctic Wolf finds
Help Net Security reported on 27 October 2026 that Arctic Wolf has documented more than 400 incidents in which attackers flooded employees' inboxes with spam and then contacted them through Microsoft Teams external ch…
- Teams tenant names used: helpdeskteam365, itcoreportal (free onmicrosoft.com tenants)
Reported Oct 27, 20261 report