This workshop brief outlines how Proofpoint Professional Services guides organizations in securing Microsoft 365 environments. It provides a structured approach covering email authentication (SPF, DKIM, DMARC), TLS migration, and identity integration with Azure AD and SAML. The workshop includes a review of mail-flow architectures, security posture, and best practices for continuity and resilience. Attendees gain an optimized “to be” design tailored to business requirements, minimizing risks of data loss, phishing, and account takeover. The result is a sustainable, secure Microsoft 365 implementation aligned with compliance and operational goals.

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