Mimecast vs Orca Security

A detailed comparison to help you choose between Mimecast and Orca Security.

🏆

Verdict: Orca Security wins

Orca Security scores 4.2/5, edging out Mimecast at 3.9/5. Cloud security teams at mid-market to enterprise scale that want comprehensive multi-cloud visibility and risk ranking without deploying agents on production workloads.

Mimecast

Mimecast

AI email security and cyber resilience

Orca Security

Orca Security

Agentless AI cloud security

Rating3.9 (1 review)4.2 (1 review)
Pricing Modelpaidpaid
Starting PriceFrom $200/moFrom $500/mo
Best ForMid-market and enterprise organizations on Microsoft 365 or Google Workspace that want email threat protection, continuity, and compliance archiving from a single established vendor, with admin capacity to run it.Cloud security teams at mid-market to enterprise scale that want comprehensive multi-cloud visibility and risk ranking without deploying agents on production workloads.
Free Tier
API Access
Team Features
Open Source
Tags
ssoteam features
ssoteam features
Visit Mimecast →Visit Orca Security →

Mimecast

Pros

  • + Continuity is a first-class function of the inline gateway — mail flow and inspection survive primary mail-server outages, which few bundled competitors match
  • + The suite genuinely consolidates: gateway security, archiving, DMARC, continuity, and awareness training from one vendor and console
  • + AI detection targets the attacks that slip past signatures — social-graph anomaly detection, computer-vision impersonation checks, on-click URL re-protection
  • + Deployment flexibility covers M365, Google, on-premise, and hybrid with granular per-user policy segmentation
  • + Analyst validation is current: Gartner named Mimecast a Leader in the December 2025 Magic Quadrant for Email Security

Cons

  • - No public pricing at all — every deal is a quoted negotiation; cost guides put typical spend at $5–15 per user per month with 5–8% annual uplifts unless capped
  • - Configuration complexity is the consistent complaint across third-party reviews; in my testing of the admin surface, meaningful tuning needed a dedicated administrator
  • - Archiving storage overages and Gold support add-ons (reported at 10–20% on top) can surprise budgets
  • - Teams already on Microsoft 365 E5 face substantial feature overlap — the overlap math should be done before buying
  • - Coverage is email-and-collaboration only; endpoint, network, and identity security require other purchases
View full Mimecastreview →

Orca Security

Pros

  • + True agentless Side-Scanning: full cloud inventory from read-only snapshot access in my trial without installing anything on production workloads
  • + Unified Data Model chains exposure, vulnerability, identity and data context so the risk queue is ranked by blast radius rather than raw CVSS
  • + Published AWS Marketplace pack pricing ($7,000/$12,000/$17,000/$30,000 per month) gives buyers a real negotiating anchor and counts toward AWS spend commitments
  • + Consistent satisfaction signals: 4.6/5 on Gartner Peer Insights and G2, 4.8/5 on Capterra per Orca's reviews page

Cons

  • - No low-cost entry point — the marketplace floor is $7,000 per month and direct sales is quote-only, excluding startups and small teams
  • - Snapshot-based scanning is periodic; real-time runtime detection is shallower than agent-bearing competitors
  • - Risk prioritisation can be opaque when a finding is deprioritised, which matters in audit-driven environments
  • - Cloud-only coverage — substantial on-prem estates need a separate tool
View full Orca Securityreview →

Frequently Asked Questions

Which is better, Mimecast or Orca Security?▼
Orca Security scores higher at 4.2/5 vs 3.9/5 for Mimecast, making it the better-rated option in our comparison.
What is the difference between Mimecast and Orca Security?▼
Mimecast: Mimecast secures email and collaboration tools against phishing and impersonation, and manages the human risk side with awareness training. Orca Security: Agentless cloud security platform that uses AI to detect risks, vulnerabilities, and misconfigurations without installing agents.
Is Mimecast or Orca Security more affordable?▼
Mimecast starts at €200/mo, Orca Security starts at €500/mo. Check the comparison table above for current pricing.

Stay in the loop

Get weekly updates on the best new AI tools, deals, and comparisons.

No spam. Unsubscribe anytime.