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Cybersecurity · head to head

Microsoft Defender vs Octopus Deploy

Microsoft Defender logo

Microsoft Defender

Cybersecurity

Always-on protection for you and your family's data and devices

From
$12/month
Free plan
No
Full reviewWebsite
Octopus Deploy logo

Octopus Deploy

Developer Tools

Continuous delivery and runbook automation for releases

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Octopus Deploy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Microsoft Defender defender Suite requires existing Microsoft 365 E3 or equivalent base licensing; Octopus Deploy free tier caps at 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks and 1 space
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Microsoft Defender and Octopus Deploy actually diverge.

Attributes where Microsoft Defender and Octopus Deploy differ
AttributeMicrosoft DefenderOctopus Deploy
Starting price$12/monthFree
Free tierNoYes
CategoryCybersecurityDeveloper Tools

Identical on both: pricing model (subscription), platforms (Web), user rating (Not yet rated).

What people use each for

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

Microsoft Defender

  • Endpoint security and threat protectionnot Octopus Deploy
  • Identity and access securitynot Octopus Deploy
  • Email threat protectionnot Octopus Deploy
  • SaaS application security monitoringnot Octopus Deploy

Octopus Deploy

  • Automating software deployments across development, testing, productionnot Microsoft Defender
  • Automating emergency tasks like website failover and incident responsenot Microsoft Defender
  • Managing multi-tenant deployments without duplicating configurationnot Microsoft Defender
  • Tracking DORA metrics and enforcing deployment approval gatesnot Microsoft Defender

Where each one falls short

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

Microsoft Defender

  • Defender Suite requires existing Microsoft 365 E3 or equivalent base licensing
  • Some Defender products use pay-as-you-go pricing with variable costs
  • Prices vary based on Microsoft agreements, requiring sales contact for custom quotes

Octopus Deploy

  • Free tier caps at 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks and 1 space
  • Annual billing is the only option for both Octopus Cloud and Octopus Server; there is no monthly plan
  • Professional cloud tier is $4,330 per year and Enterprise cloud is $24,600 per year, with tenants and machines sold as add-ons beyond the free allotment

Pricing, plan by plan

Microsoft Defender

$12/month
  • Microsoft Defender Suite$12/month
    • Endpoint protection
    • Identity threat detection
    • Email security
  • Microsoft 365 E5 with Defender$60/month
    • Includes Defender Suite
    • Microsoft Teams included
    • Comprehensive security and compliance
  • Microsoft Defender Vulnerability Management Add-on$2/month
    • Vulnerability scanning and management
    • One-month free trial available
    • Annual commitment required

Octopus Deploy

Free
  • FreeFree
    • 10 projects
    • 10 tenants
    • 10 machines
  • Professional (Cloud)$4330/year
    • Up to 100 projects
    • Unlimited spaces and users
    • Tenants and machines available as add-ons
  • Professional (Server)$2080/year
    • Up to 100 projects
    • Unlimited spaces and users
    • Tenants and machines available as add-ons
  • Enterprise (Cloud)$24600/year
    • 100+ projects supported
    • Unlimited spaces and users
    • 20 concurrent tasks

Which should you pick?

Choose Microsoft Defender if

Nothing in the data separates Microsoft Defender from Octopus Deploy on the points above - pick on price and on how each one feels to use.

Microsoft Defender review

Choose Octopus Deploy if

  • You want to start without paying.
Octopus Deploy review

Questions people ask

Is Microsoft Defender or Octopus Deploy better?
Neither clearly leads. Microsoft Defender starts at $12/month and Octopus Deploy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Defender or Octopus Deploy?
Octopus Deploy has a free tier; the other does not. Paid plans start at $12/month for Microsoft Defender and Free for Octopus Deploy.
Does Microsoft Defender or Octopus Deploy run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Octopus Deploy for free?
Yes. Octopus Deploy has a free tier, so you can try it without paying. Microsoft Defender starts at $12/month.
What is Microsoft Defender best used for?
Microsoft Defender is most often used for endpoint security and threat protection, identity and access security, email threat protection, saas application security monitoring. Of those, endpoint security and threat protection and identity and access security are not what Octopus Deploy is typically brought in for.

Answered from the vendors’ own pages

Microsoft Defender: How much does Microsoft Defender Suite cost?

Microsoft Defender Suite costs $12/user/month (paid yearly), but requires existing Microsoft 365 E3 or equivalent base licensing. It includes endpoint protection, identity threat detection, email security, and SaaS application monitoring.

Source
Octopus Deploy: How much does Octopus Deploy cost?

Octopus Deploy offers a free tier at $0/year with limits on projects (10), users (10), and tenants (10). Professional plans start at $2,080/year for self-hosted or $4,330/year for cloud hosting.

Source
Microsoft Defender: What add-ons are available for Microsoft Defender?

Microsoft Defender Vulnerability Management Add-on costs $2/user/month with annual commitment and includes a one-month free trial. Additional pay-as-you-go products include External Attack Surface Management, Cloud Security Posture Management, and Sentinel.

Source
Octopus Deploy: What does the free Octopus Deploy tier include?

The free tier includes 10 projects, 10 tenants, 10 machines, 10 users, 5 concurrent tasks, 1TB file storage, 100GB database storage, and community support only.

Source
Microsoft Defender: Is Defender included in Microsoft 365 E5?

Yes, Microsoft Defender Suite is included in Microsoft 365 E5 at $60/user/month (paid yearly with Teams). Prices may vary based on Microsoft agreements, requiring contact with Sales for customized quotes.

Source
Octopus Deploy: Can I try Octopus Deploy for free before purchasing?

Yes, a free tier is available with unlimited duration but capped usage, plus a 30-day free trial with full Enterprise features is offered to evaluate the platform.

Source
Octopus Deploy: What are the Enterprise pricing differences between Cloud and Server hosting?

Enterprise Cloud hosting costs $24,600/year and includes 20 concurrent tasks and 24/7 support. Enterprise Server self-hosted costs $15,600/year with flexible concurrent task configuration and 24/7 support.

Source
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