This IDC report, sponsored by Proofpoint, highlights how people remain the primary target of email-borne threats. It outlines four key human risks: threat, identity, impersonation, and data loss. Generative AI has amplified phishing and impersonation attacks, while careless or malicious insiders increase risks of misdirected emails and intellectual property theft. The paper stresses a layered defense model—predelivery, click-time, and postdelivery protection—alongside advanced AI-powered threat detection. Proofpoint’s solutions are profiled as providing adaptive behavioral defenses, impersonation protection, DLP, and identity safeguards. IDC concludes that healthcare and other high-risk sectors must take a human-centric approach to cloud email security to prevent accidental and deliberate

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