Acronis DeviceLock DLP vs Attic M365 FREE: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
Acronis DeviceLock DLP is a commercial data loss prevention tool by Acronis International GmbH. Attic M365 FREE is a commercial anti-phishing tool by Attic Security. Compare features, ratings, integrations, and community reviews side by side to find the best data loss prevention fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
SMB and mid-market teams with virtualized workforces will find the most value in Acronis DeviceLock DLP, which handles endpoint DLP across RDS, Citrix, and VMware environments without requiring separate agents per platform. The combination of USB blocking, application-level controls, and native Active Directory integration means enforcement works immediately after Group Policy deployment. Skip this if your organization relies heavily on cloud-native infrastructure or needs behavioral analytics; DeviceLock's strength is prevention through rigid policy, not detection of anomalous user activity, which leaves the ID.RA risk assessment piece incomplete without external SIEM correlation. 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.
