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Cybersecurity · head to head

Microsoft Defender for Endpoint vs Namespace

Microsoft Defender for Endpoint logo

Microsoft Defender for Endpoint

Cybersecurity

Enterprise endpoint security built into Microsoft 365

From
On request
Free plan
No
Full reviewWebsite
Namespace logo

Namespace

Developer Tools

The dev platform for the next 100 billion commits

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Namespace has a free tier, so it costs nothing to try first.
  • Each has a real cost: Microsoft Defender for Endpoint pricing not published on public websites; quote required from Microsoft sales; Namespace developer plan is pay-as-you-go only; minimum usage unclear
  • They diverge on capability: Microsoft Defender for Endpoint covers Threat & vulnerability management, Namespace covers Devboxes.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Microsoft Defender for Endpoint and Namespace actually diverge.

Attributes where Microsoft Defender for Endpoint and Namespace differ
AttributeMicrosoft Defender for EndpointNamespace
Starting priceOn requestFree
Pricing modelquoteUnknown
Free tierNoYes
PlatformsWindows, macOS, Linux, iOS, AndroidCloud, Mac, Windows, Linux
CategoryCybersecurityDeveloper Tools
Founded1975Unknown

Identical on both: user rating (Not yet rated).

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 Microsoft Defender for Endpoint

  • Threat & vulnerability management
  • Attack surface reduction
  • Next-gen protection
  • EDR
  • Auto investigation
  • Microsoft Threat Experts
  • Threat analytics
  • Secure score

Only in Namespace

  • Devboxes
  • GitHub Actions runners
  • Docker builds
  • Cross-invocation caching
  • NVMe storage
  • High-speed networking
  • Multiple OS support
  • Bazel and Turborepo support

What people use each for

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

Microsoft Defender for Endpoint

  • Enterprise endpoint security across Windows, macOS, Linux, Android, and iOS via Plans 1 or 2not Namespace
  • Small and medium-sized businesses using Microsoft Defender for Business as alternativenot Namespace
  • Organisations using Microsoft 365 E5 which includes Defender for Endpoint Plan 2not Namespace

Namespace

  • Providing AI coding agents with cloud-based development environmentsnot Microsoft Defender for Endpoint
  • Accelerating CI builds with faster GitHub Actions runnersnot Microsoft Defender for Endpoint
  • Distributing builds across teams with managed infrastructurenot Microsoft Defender for Endpoint
  • Scaling development velocity for monorepo organizationsnot Microsoft Defender for Endpoint

Where each one falls short

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

Microsoft Defender for Endpoint

  • Pricing not published on public websites; quote required from Microsoft sales
  • Defender for Endpoint Plan 1 and Plan 2 do not include server licenses; additional licensing required for server protection
  • Specific feature differences between Plan 1 and Plan 2 require consulting Microsoft documentation

Namespace

  • Developer plan is pay-as-you-go only; minimum usage unclear
  • Team plan $100/mo is competitive but usage limits may be tight
  • Devbox pricing separate at $0.004/minute could add up quickly
  • Enterprise plan requires custom sales conversation

Pricing, plan by plan

Microsoft Defender for Endpoint

On request

No published plan breakdown. See the Microsoft Defender for Endpoint review.

Namespace

Free
  • DeveloperFree
    • Pay-as-you-go
    • On-demand compute
    • Docker builds
  • Team$100/month
    • 100,000 unit minutes
    • 1,000 Docker builds
    • Everything in Developer
  • Business$250/month
    • 250,000 unit minutes
    • 2,500 Docker builds
    • Everything in Team
  • Enterprise$undefined/custom
    • Custom compute/Docker build limits
    • Audit log export
    • Enterprise SSO

Which should you pick?

Choose Microsoft Defender for Endpoint if

  • You need threat & vulnerability management.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want attack surface reduction.
Microsoft Defender for Endpoint review

Choose Namespace if

  • You need devboxes.
  • You want to start without paying.
  • You work on Cloud, Mac, Windows, Linux.
  • You also want github actions runners.
Namespace review

Questions people ask

Is Microsoft Defender for Endpoint or Namespace better?
Neither clearly leads. Microsoft Defender for Endpoint starts at On request and Namespace at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Defender for Endpoint or Namespace?
Namespace has a free tier; the other does not. Paid plans start at On request for Microsoft Defender for Endpoint and Free for Namespace.
Does Microsoft Defender for Endpoint or Namespace run on more platforms?
Microsoft Defender for Endpoint runs on Windows, macOS, Linux, iOS, Android. Namespace runs on Cloud, Mac, Windows, Linux.
Can I use Namespace for free?
Yes. Namespace has a free tier, so you can try it without paying. Microsoft Defender for Endpoint starts at On request.
What is Microsoft Defender for Endpoint best used for?
Microsoft Defender for Endpoint is most often used for enterprise endpoint security across windows, macos, linux, android, and ios via plans 1 or 2, small and medium-sized businesses using microsoft defender for business as alternative, organisations using microsoft 365 e5 which includes defender for endpoint plan 2. Of those, enterprise endpoint security across windows, macos, linux, android, and ios via plans 1 or 2 and small and medium-sized businesses using microsoft defender for business as alternative are not what Namespace is typically brought in for.
What can Microsoft Defender for Endpoint do that Namespace cannot?
Microsoft Defender for Endpoint covers Threat & vulnerability management, Attack surface reduction, Next-gen protection, EDR. Namespace covers Devboxes, GitHub Actions runners, Docker builds, Cross-invocation caching.

Answered from the vendors’ own pages

Microsoft Defender for Endpoint: How is Microsoft Defender for Endpoint priced?

Defender for Endpoint is bundled into Microsoft 365 enterprise subscriptions. Plan 1 is included in Microsoft 365 E3, and Plan 2 is included in Microsoft 365 E5. Individual pricing is not published separately.

Source
Namespace: How is compute usage metered on the Developer plan?

Developer plan uses pay-as-you-go billing. Devboxes bill at $0.004 per minute. Storage and caching services have separate usage-based fees. A 30-day free trial is available to test usage patterns.

Source
Microsoft Defender for Endpoint: Does Microsoft Defender for Endpoint offer a trial?

Yes. A free trial is available for prospective customers to test the product before committing to a subscription.

Source
Namespace: What is the difference between Team and Business plans?

Team ($100/mo) includes 100,000 unit minutes and 1,000 Docker builds with email support. Business ($250/mo) includes 250,000 unit minutes, 2,500 Docker builds, and high concurrency with a dedicated Slack channel.

Source
Microsoft Defender for Endpoint: What is the difference between Plan 1 and Plan 2?

Plan 1 (in E3) includes unified security tools, device controls, network protection, firewall, web/URL controls, APIs, SIEM connectors, and app controls. Plan 2 (in E5) adds endpoint detection and response, deception techniques, automatic attack disruption, exposure management, and threat intelligence.

Source
Namespace: Can Namespace support AI coding agents?

Yes, Namespace Devboxes are specifically designed as feature-rich development environments for AI coding agents, with full tooling and performance optimization.

Source
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