Microsoft Warns Phishing Attacks Are Moving Beyond Email Into Workplace Communication Tools

Microsoft has warned that phishing operators are increasingly targeting workplace communication platforms such as Microsoft Teams , using chat messages and voice calls to exploit the trust employees place in internal collaboration tools. While email remains the primary initial-access channel, Teams-based social engineering and voice phishing surged during the second quarter of 2026 Microsoft Threat Intelligence observed that weekly malicious Teams call attempts climbed to…

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