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Cybersecurity · head to head

Darktrace vs Mimecast

Darktrace logo

Darktrace

Cybersecurity

Autonomous threat detection and response

From
$20000/year
Rated
-
Full reviewWebsite
Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Darktrace no pricing information published on website; vendors must request pricing through demo request form or contact sales; Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request
  • They diverge on capability: Darktrace covers Self-learning AI, Mimecast covers Advanced threat detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Darktrace and Mimecast actually diverge.

Attributes where Darktrace and Mimecast differ
AttributeDarktraceMimecast
Starting price$20000/year$4/month
PlatformsNetwork, Cloud, EmailEmail, Cloud, Collaboration
Founded20132003

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Darktrace

  • Self-learning AI
  • Network anomaly detection
  • Autonomous response
  • Behavioral analysis
  • Threat model visualization
  • Email security
  • Application control
  • Incident response automation

Only in Mimecast

  • Advanced threat detection
  • Secure sharing
  • Email encryption
  • Message tracking
  • Email archiving
  • Legal hold
  • eDiscovery
  • Backup and recovery

Both cover

  • Slack
  • SOC2 Type 2
  • ISO 27001
  • GDPR
  • HIPAA
  • Cloud deployment

What people use each for

The jobs each tool is most often brought in to do.

Darktrace

  • Threat Detectionnot Mimecast
  • Ndrnot Mimecast
  • Incident Responsenot Mimecast

Mimecast

  • Email security filtering against phishing and targeted attacksnot Darktrace
  • Email archiving, continuity and compliance for organisationsnot Darktrace

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Darktrace

  • No pricing information published on website; vendors must request pricing through demo request form or contact sales
  • No tiered pricing structure available to compare editions or select appropriate plan level before contacting sales

Mimecast

  • No pricing is published for any product or plan, and every route ends at a quote or demo request
  • The platform is split into separately sold products for email security, awareness training, data protection and governance
  • Collaboration threat protection, DMARC analysis, incident response and email archiving are all further add ons on top of those

Pricing, plan by plan

Darktrace

$20000/year
  • Detect$20000/year
    • Network anomaly detection
    • AI-powered threat detection
    • Compliance reporting
  • Detect & Respond$35000/year
    • All Detect features
    • Autonomous response
    • Email security
  • Enterprise$50000/year
    • All features
    • Dedicated support
    • Custom training

Mimecast

$4/month
  • Defender$4/month
    • Per user
    • Threat protection
    • Impersonation prevention
  • Archive$3/month
    • Email archiving
    • Legal hold
    • Search & recall
  • Unified$6/month
    • All Defender features
    • All Archive features
    • Backup

Which should you pick?

Choose Darktrace if

  • You need self-learning ai.
  • You work on Network, Cloud, Email.
  • You also want network anomaly detection.
Darktrace review

Choose Mimecast if

  • You need advanced threat detection.
  • You work on Email, Cloud, Collaboration.
  • You also want secure sharing.
Mimecast review

Questions people ask

Is Darktrace or Mimecast better?
Neither clearly leads. Darktrace starts at $20000/year and Mimecast at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Darktrace or Mimecast?
Darktrace starts at $20000/year and Mimecast at $4/month.
Does Darktrace or Mimecast run on more platforms?
Darktrace runs on Network, Cloud, Email. Mimecast runs on Email, Cloud, Collaboration.
What is Darktrace best used for?
Darktrace is most often used for threat detection, ndr, incident response. Of those, threat detection and ndr are not what Mimecast is typically brought in for.
What can Darktrace do that Mimecast cannot?
Darktrace covers Self-learning AI, Network anomaly detection, Autonomous response, Behavioral analysis. Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking. Both handle Slack, SOC2 Type 2, ISO 27001, GDPR.

Answered from the vendors’ own pages

Darktrace: How much does Darktrace cost?

Darktrace does not publish pricing information on its website. To obtain pricing details and learn about available packages, customers must contact Darktrace directly by requesting a demo or reaching out through the company's contact form.

Source
Mimecast: How much does Mimecast cost?

Mimecast does not publish pricing on its website. Customers must request a custom quote by contacting the sales team at +1 617 393 7000 or using the Get a Quote button.

Source
Darktrace: Does Darktrace offer a free trial?

Darktrace mentions a free trial option, but specific trial length, features included, and how to access it are not published on the website. Users must contact the company directly to inquire about trial availability.

Source
Mimecast: Is there a free trial of Mimecast?

Mimecast's trial and pricing options are not specified on the public website. Contact sales at +1 617 393 7000 or through their support portal at mimecastsupport.zendesk.com for trial availability.

Source
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