Best Mimecast alternatives in 2026
11 direct alternatives to Mimecast, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Why people leave Mimecast
Mimecast provides a comprehensive human risk management platform that leverages AI to secure email and collaboration tools against advanced threats like phishing, ransomware, and business email compromise (BEC). It focuses on identifying high-risk users and guiding them towards s…
Common reasons teams switch: pricing as you scale, missing integrations, performance, or a feature gap your team has hit. The alternatives below cover the same core job (security monitoring) with different trade-offs.
11 alternatives to Mimecast
Ranked by editorial score and direct relevance to Mimecast.
- 1
Resolver
PaidDiscover the value of risk intelligence to build resilience and proactively manage threats.
Direct alternativeCompare Mimecast vs Resolver → - 2
Cloudflare
FreemiumInternet security & performance
Direct alternativeCompare Mimecast vs Cloudflare → - 3
Datadog
FreemiumCloud monitoring platform
Direct alternativeCompare Mimecast vs Datadog → - 4
Tailscale
FreemiumZero config VPN for teams
Direct alternativeCompare Mimecast vs Tailscale → - 5
Sift
PaidStop fraud fast and grow revenue faster with AI-powered digital trust and safety solutions.
Direct alternativeCompare Mimecast vs Sift → - 6
Socket
FreemiumSecure your dependencies and ship with confidence.
Direct alternativeCompare Mimecast vs Socket → - 7
Keycloak
FreeOpen-source identity and access management
Direct alternativeCompare Mimecast vs Keycloak → - 8
Twingate
FreemiumZero trust network access
Direct alternativeCompare Mimecast vs Twingate → - 9
Duo Security
FreemiumMulti-factor authentication for enterprises
Direct alternativeCompare Mimecast vs Duo Security → - 10
Authelia
FreeOpen-source authentication and authorization server
Direct alternativeCompare Mimecast vs Authelia → - 11
Trend Micro
PaidCybersecurity solutions for enterprises
Direct alternativeCompare Mimecast vs Trend Micro →
Side-by-side comparisons
In-depth comparison pages for Mimecast versus each alternative.
Still considering Mimecast?
See the full review, pricing breakdown, and community feedback before you decide.