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Oracle Cloud vs Tenable Nessus

Oracle Cloud logo

Oracle Cloud

Cloud

Enterprise cloud computing services

From
Free
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Oracle Cloud the free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first; 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: Oracle Cloud covers Autonomous Database, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Oracle Cloud and Tenable Nessus actually diverge.

Attributes where Oracle Cloud and Tenable Nessus differ
AttributeOracle CloudTenable Nessus
Pricing modelusage-basedsubscription
PlatformsLinux, Windows, Api, CliWindows, Linux, Macos, Cloud
CategoryCloudCybersecurity
Founded20192002

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 Oracle Cloud

  • Autonomous Database
  • Compute Instances
  • MySQL Database Service
  • Object Storage
  • Block Volume
  • Load Balancers
  • Virtual Cloud Network
  • API Gateway

Only in Tenable Nessus

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

Both cover

  • Cloud deployment
  • Windows support

What people use each for

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

Oracle Cloud

  • Running virtual machines, databases and storage on Oracle's cloud infrastructurenot Tenable Nessus
  • Hosting Oracle Database workloads on infrastructure from the same vendornot Tenable Nessus

Tenable Nessus

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

Where each one falls short

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

Oracle Cloud

  • The free trial gives US$300 of credit that expires when consumed or after 30 days, whichever comes first
  • The US$300 cloud credit is available only in select countries
  • Only one Oracle Cloud Free Trial or Always Free account is permitted per person
  • Accounts left idle for 30 days or more are eligible for suspension or termination as abandoned
  • Always Free NoSQL Database is restricted to the Phoenix region
  • Free Tier availability is subject to capacity limits, and the published per-service capacity figures are estimates that assume the entire credit is spent on that one service

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

Oracle Cloud

Free
  • Always FreeFree
    • Oracle Autonomous Database
    • 2 compute instances
    • 100 GB storage
  • Pay-as-You-GoFree
    • Flexible pricing
    • No long-term commitment
    • Enterprise support

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 Oracle Cloud if

  • You need autonomous database.
  • You want to start without paying.
  • You work on Linux, Windows, Api, Cli.
  • You also want compute instances.
Oracle Cloud 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 Oracle Cloud or Tenable Nessus better?
Neither clearly leads. Oracle Cloud 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, Oracle Cloud or Tenable Nessus?
Oracle Cloud starts at Free and Tenable Nessus at Free.
Does Oracle Cloud or Tenable Nessus run on more platforms?
Oracle Cloud runs on Linux, Windows, Api, Cli. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Oracle Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Oracle Cloud best used for?
Oracle Cloud is most often used for running virtual machines, databases and storage on oracle's cloud infrastructure, hosting oracle database workloads on infrastructure from the same vendor. Of those, running virtual machines, databases and storage on oracle's cloud infrastructure and hosting oracle database workloads on infrastructure from the same vendor are not what Tenable Nessus is typically brought in for.
What can Oracle Cloud do that Tenable Nessus cannot?
Oracle Cloud covers Autonomous Database, Compute Instances, MySQL Database Service, Object Storage. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection. Both handle Cloud deployment, Windows support.

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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