Attic M365 FREE vs Seclore Enterprise Digital Rights Management (EDRM): Side-by-Side Comparison (2026)

Short answer

Startup and SMB security teams protecting Microsoft 365 will benefit most from Attic M365 FREE because it stops AiTM phishing attacks that bypass MFA, the attack class traditional email filters miss entirely. The tool deploys in five minutes with no payment required, making it immediately useful for resource-constrained teams, and its real-time detection of fake login pages covers both NIST PR.AA and DE.CM functions simultaneously. Skip this if your organization needs protection beyond Microsoft 365 or runs a heterogeneous SaaS stack; Attic is deliberately focused on one platform and one threat vector. Mid-market and enterprise teams protecting sensitive documents across hybrid environments should choose Seclore Enterprise Digital Rights Management for its ability to revoke access to files already in the wild, which most DLP tools cannot do. The solution covers NIST PR.DS and DE.CM effectively, meaning encrypted files stay locked even after they leave your network and you get visibility into what happens to them. Skip this if your priority is preventing exfiltration in the first place rather than controlling what happens after; Seclore assumes breach and focuses on persistent control, not perimeter blocking.