Fluency Email Rule Change Workflow vs Microsoft Defender for Office 365: side-by-side comparison (2026)

Fluency Email Rule Change Workflow: AI-based workflow detecting suspicious email rule changes tied to BEC attacks, built by Fluency Security.

Microsoft Defender for Office 365: Email and collaboration security for Microsoft 365 environments, built by Microsoft.

The table above shows where their features, integrations, deployment and company size fit differ.

Fluency Email Rule Change Workflow is made by Fluency Security. Microsoft Defender for Office 365 is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

In part. Fluency Email Rule Change Workflow and Microsoft Defender for Office 365 are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.