This eBook highlights risks in collaboration tools such as Slack, Teams, and Zoom. Attackers increasingly use these platforms to phish users, spread malware, or exfiltrate data, bypassing traditional email defenses. The report details real-world incidents of fraudulent invoices, credential theft, and insider misuse across open channels. It stresses that monitoring for malicious links, unauthorized file transfers, and suspicious behavior is critical. Proofpoint recommends extending people-centric defenses beyond email to cover all communication channels, ensuring visibility and control across today’s hybrid collaboration environments.

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