Nav Screen Region
Site Header Region
Page Header
Main Content Region

Proofpoint to Defender Transition

California State University San Bernardino Information Security and Complaince

Project Objectives

  • Transition CSU email security from Proofpoint to Microsoft Defender for Office 365 [MDO].
  • Ensure seamless mail flow and security posture before December 20, 2025.
  • Minimize user impact and maintain compliance during migration.

 

Key Milestones & Timeline

Key Milestones & Timeline
PhaseDatesKey Tasks
PreparationOctober 9th - October 18thInventory Proofpoint configurations and validate relevant email security configurations.
ConfigurationOctober 21st - November 1stSetup Defender policies.
Pilot MigrationNovember 4th - November 15thOnboard pilot users for testing.
Full CutoverNovember 18th - December 6thDisable Proofpoint and transition to defender configurations and policies.
Post-Migration ValidationDecember 9th - December 20thNo changes.

 

Roles & Responsibilities.

Roles & Responsibilities
TeamResponsibilities
CSU IT TeamProofpoint rule exports, mail routing, user training.
FastTrack TeamTechnical guidance, milestone planning, policy tuning.
Project TeamTeams channel for collaboration, updates.

 

For further information please contact Information Security and Compliance.