This eBook examines the risks and inefficiencies of relying solely on Microsoft 365’s built-in defenses. It highlights gaps in phishing prevention, account takeover detection, and data loss visibility, noting that breaches often cost millions in downtime, recovery, and reputational damage. Proofpoint argues that “good enough” is insufficient, as advanced attacks target people, not just systems. The report stresses the need for purpose-built email security that integrates with compliance, DLP, and incident response workflows. By enhancing Microsoft 365 with dedicated protection, organizations can reduce risk, improve operational efficiency, and maximize ROI.

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