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Government · head to head

Azure Government vs Nessus

Azure Government logo

Azure Government

Government

Trusted Cloud for Government

From
On request
Free plan
No
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Azure Government restricted to US government entities, their solution providers and contractors handling government data, with Microsoft validating eligibility first; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: Azure Government covers FedRAMP High Authorized, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Azure Government and Nessus actually diverge.

Attributes where Azure Government and Nessus differ
AttributeAzure GovernmentNessus
Starting priceOn request$4790/year
Pricing modelusage-basedsubscription
PlatformsWeb, Cli, SdkDesktop, Api
CategoryGovernmentCybersecurity
Founded19752002

Identical on both: free tier (No), 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 Azure Government

  • FedRAMP High Authorized
  • DOD IL5 Approved
  • Isolated Datacenters
  • Hybrid Cloud
  • AI & ML Services
  • Microsoft 365
  • Dynamics 365
  • Power Platform

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

What people use each for

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

Azure Government

  • Hosting US government workloads in dedicated domestic datacentresnot Nessus
  • Systems needing FedRAMP High, DoD IL2 to IL5, CJIS or ITAR authorisationnot Nessus
  • State, local and tribal government cloud servicesnot Nessus
  • Contractors processing controlled government datanot Nessus

Nessus

  • Vulnerability scanning for individual practitionersnot Azure Government
  • Enterprise vulnerability managementnot Azure Government
  • Web application security assessmentsnot Azure Government

Where each one falls short

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

Azure Government

  • Restricted to US government entities, their solution providers and contractors handling government data, with Microsoft validating eligibility first
  • A narrower service catalogue than commercial Azure
  • New features arrive later than in the commercial regions
  • Pricing is not published and runs through federal contract vehicles such as JWCC, GSA and NASA SEWP

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

Pricing, plan by plan

Azure Government

On request
  • Pay-as-you-goFree
    • Virtual Machines
    • Azure SQL
    • Storage

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

Which should you pick?

Choose Azure Government if

  • You need fedramp high authorized.
  • You work on Web, Cli, Sdk.
  • You also want dod il5 approved.
Azure Government review

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Questions people ask

Is Azure Government or Nessus better?
Neither clearly leads. Azure Government starts at On request and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Azure Government or Nessus?
Azure Government starts at On request and Nessus at $4790/year.
Does Azure Government or Nessus run on more platforms?
Azure Government runs on Web, Cli, Sdk. Nessus runs on Desktop, Api.
What is Azure Government best used for?
Azure Government is most often used for hosting us government workloads in dedicated domestic datacentres, systems needing fedramp high, dod il2 to il5, cjis or itar authorisation, state, local and tribal government cloud services, contractors processing controlled government data. Of those, hosting us government workloads in dedicated domestic datacentres and systems needing fedramp high, dod il2 to il5, cjis or itar authorisation are not what Nessus is typically brought in for.
What can Azure Government do that Nessus cannot?
Azure Government covers FedRAMP High Authorized, DOD IL5 Approved, Isolated Datacenters, Hybrid Cloud. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

Azure Government: How is Azure Government pricing determined?

Azure pricing follows a pay-as-you-go model where you only pay for services you use. Prices vary by product, region, and usage patterns. Committed use discounts and reserved instances can save up to 65% for compute services.

Source
Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
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