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Government · head to head

Google Cloud for Government vs Tenable Nessus

Google Cloud for Government logo

Google Cloud for Government

Government

Innovation Cloud for Government

From
Free
Free plan
Yes
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Google Cloud for Government the free tier gives new customers $300 in credits, and the 20+ always-free products are capped by monthly usage limits; Tenable Nessus nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • They diverge on capability: Google Cloud for Government covers FedRAMP High Authorized, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Google Cloud for Government and Tenable Nessus actually diverge.

Attributes where Google Cloud for Government and Tenable Nessus differ
AttributeGoogle Cloud for GovernmentTenable Nessus
Pricing modelusage-basedsubscription
PlatformsWeb, Cli, SdkWindows, Linux, Macos, Cloud
CategoryGovernmentCybersecurity
Founded20082002

Identical on both: starting price (Free), free tier (Yes), 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 Google Cloud for Government

  • FedRAMP High Authorized
  • Data Analytics
  • Machine Learning
  • Kubernetes
  • Assured Workloads
  • Workspace
  • Chronicle
  • Third-party Tools

Only in Tenable Nessus

  • Network scanning
  • Vulnerability detection
  • Configuration assessment
  • Malware detection
  • Compliance checking
  • Cloud security assessment
  • Mobile scanning
  • API access

What people use each for

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

Google Cloud for Government

  • Running public sector workloads on Google Cloud compute and storagenot Tenable Nessus
  • Data analytics and AI for government agenciesnot Tenable Nessus
  • Migrating agency applications off on-premises infrastructurenot Tenable Nessus

Tenable Nessus

  • Vulnerability scanning of servers, network devices and web applicationsnot Google Cloud for Government
  • Configuration and compliance auditing against hardening benchmarksnot Google Cloud for Government
  • Point in time assessments by consultants and penetration testersnot Google Cloud for Government

Where each one falls short

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

Google Cloud for Government

  • The free tier gives new customers $300 in credits, and the 20+ always-free products are capped by monthly usage limits
  • Pricing is pay as you go and varies by product and usage, so there is no single published rate for the platform
  • Committed use discounts of up to 57% require pre-paying for resources rather than being available on demand
  • Organizations are directed to request a quote rather than being given a published organizational price

Tenable Nessus

  • Nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • Support beyond the base entitlement costs an extra $400 per year for Advanced Support with 24x365 phone and chat access
  • The on demand training course is a separate $275 purchase for a single person for one year
  • Multi year discounts require paying for two or three years up front

Pricing, plan by plan

Google Cloud for Government

Free
  • Pay-as-you-goFree
    • Compute Engine
    • Cloud Storage
    • BigQuery

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2600/year
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5200/year
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose Google Cloud for Government if

  • You need fedramp high authorized.
  • You want to start without paying.
  • You work on Web, Cli, Sdk.
  • You also want data analytics.
Google Cloud for Government review

Choose Tenable Nessus if

  • You need network scanning.
  • You want to start without paying.
  • You work on Windows, Linux, Macos, Cloud.
  • You also want vulnerability detection.
Tenable Nessus review

Questions people ask

Is Google Cloud for Government or Tenable Nessus better?
Neither clearly leads. Google Cloud for Government starts at Free and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Cloud for Government or Tenable Nessus?
Google Cloud for Government starts at Free and Tenable Nessus at Free.
Does Google Cloud for Government or Tenable Nessus run on more platforms?
Google Cloud for Government runs on Web, Cli, Sdk. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Google Cloud for Government for free?
Both have a free tier, so you can try either at no cost before committing.
What is Google Cloud for Government best used for?
Google Cloud for Government is most often used for running public sector workloads on google cloud compute and storage, data analytics and ai for government agencies, migrating agency applications off on-premises infrastructure. Of those, running public sector workloads on google cloud compute and storage and data analytics and ai for government agencies are not what Tenable Nessus is typically brought in for.
What can Google Cloud for Government do that Tenable Nessus cannot?
Google Cloud for Government covers FedRAMP High Authorized, Data Analytics, Machine Learning, Kubernetes. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

Tenable Nessus: What are the three Nessus offerings?

Nessus Essentials is a free introductory offering for educators, students, and career starters, limited to 16 IPs for scanning. Nessus Professional is designed for consultants and SMBs, providing unlimited IT scans across any location. Nessus Expert is the premium offering extending Professional with web application scanning, infrastructure-as-code scanning, and external attack surface assessment up to 5 domains.

Source
Tenable Nessus: What OS platforms does Nessus support?

Nessus runs on Debian/Kali Linux, Fedora, FreeBSD, Mac OS X, Red Hat/CentOS, SUSE Linux, Ubuntu, and various Windows versions including Server 2008, 2012, and Windows 7-10.

Source
Tenable Nessus: Can I use Nessus to scan third-party networks as a consultant?

Yes, Tenable permits you to use Nessus to scan third-party networks. Nessus Professional is ideal for consultants.

Source
Tenable Nessus: Can Nessus perform PCI external scanning?

Yes, you can use Nessus Professional to perform external network scans as required by the PCI DSS 11.2.2 requirement.

Source
Tenable Nessus: What additional features does Nessus Expert provide?

Web application scanning, which is dynamic application security testing (DAST) providing comprehensive visibility and insight into web application security issues; scanning code repositories for vulnerabilities; and assessing external attack surface with subdomain discovery.

Source
Tenable Nessus: What support options exist for Nessus Professional?

Standard Support includes software upgrades, patches, plugin access, and 24x7 support via chat and community portal. Advanced Support adds 24x7 phone access and committed SLAs: P1 less than 2 hours, P2 less than 4 hours, P3 less than 12 hours, P4 less than 24 hours.

Source
Tenable Nessus: How frequently are Nessus plugins updated?

Nessus plugins are updated daily, based on when vendors and security research sites publish new vulnerabilities.

Source
Tenable Nessus: How does licensing work in virtual machine environments?

Whether you are using Nessus in a physical or a virtual environment, the IP addresses or hosts that you are scanning from must be licensed.

Source
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