Attic M365 FREE vs Fortra Terranova Security: Side-by-Side Comparison (2026)

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. SMBs and mid-market companies with lean security teams should choose Fortra Terranova Security for phishing simulation that actually moves the metrics; the platform's drill-and-measure workflow cuts time spent designing campaigns in half compared to running them manually. The vendor's 1,730-person scale means you get both the training breadth of an enterprise player and support responsive enough for a smaller ops team. Skip this if your organization needs NIST Detect or Response capabilities alongside awareness training; Terranova is deliberately front-loaded on PR.AT, the awareness pillar, and doesn't include incident response tooling.

Based on our analysis of core features, integrations, company size fit, deployment model, here is our conclusion: