Cybersecurity firm eSentire has uncovered a highly effective new technique used by hackers to breach corporate networks. Since early 2026, threat actors have increasingly relied on a two-step attack: flooding a victim’s inbox with thousands of spam messages, and then contacting them on Microsoft Teams to offer fake IT support. By impersonating the company’s helpdesk, […] The post Hackers Abuse Microsoft Teams Chats After Flooding Victims With Spam Emails appeared first on Cyber Security News.