Actifile Insider Threat Protection vs Microsoft Purview Data Loss Prevention: Side-by-Side Comparison (2026)

Actifile Insider Threat Protection: File encryption & sensitive data protection against insider threats. built by Actifile. Core capabilities include One-click encryption of sensitive files, Automated sensitive asset discovery and scanning, Automatic encryption and decryption of files..

Microsoft Purview Data Loss Prevention: Prevents unauthorized sharing and transfer of sensitive data across devices. built by Microsoft. Core capabilities include Centralized policy management through Microsoft Purview compliance portal, Protection across endpoints, Office 365, OneDrive, SharePoint, Microsoft Teams, and Microsoft 365 Copilot, Sensitive information type detection including out-of-the-box, custom, and trainable classifiers..

Both serve the Data Loss Prevention market but differ in approach, feature depth, and target audience.

Actifile Insider Threat Protection differentiates with One-click encryption of sensitive files, Automated sensitive asset discovery and scanning, Automatic encryption and decryption of files. Microsoft Purview Data Loss Prevention differentiates with Centralized policy management through Microsoft Purview compliance portal, Protection across endpoints, Office 365, OneDrive, SharePoint, Microsoft Teams, and Microsoft 365 Copilot, Sensitive information type detection including out-of-the-box, custom, and trainable classifiers.

Actifile Insider Threat Protection is developed by Actifile. Microsoft Purview Data Loss Prevention is developed by Microsoft. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Actifile Insider Threat Protection and Microsoft Purview Data Loss Prevention serve similar Data Loss Prevention use cases: both are Data Loss Prevention tools. Review the feature comparison above to determine which fits your requirements.