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Cloud · head to head

OVHcloud vs Tenable Nessus

OVHcloud logo

OVHcloud

Cloud

Advanced cloud services for businesses

From
€3.5/month
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Tenable Nessus has a free tier, so it costs nothing to try first.
  • Each has a real cost: OVHcloud public Cloud pricing table lists a scheduled price change with a column labeled Price on April 1, 2026, showing current rates are promotional and set to change on that date; 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: OVHcloud covers Public Cloud, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which OVHcloud and Tenable Nessus actually diverge.

Attributes where OVHcloud and Tenable Nessus differ
AttributeOVHcloudTenable Nessus
Starting price€3.5/monthFree
Free tierNoYes
PlatformsLinux, Windows, Api, CliWindows, Linux, Macos, Cloud
CategoryCloudCybersecurity
Founded19992002

Identical on both: pricing model (subscription), 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 OVHcloud

  • Public Cloud
  • Private Cloud
  • Bare Metal Servers
  • Managed Kubernetes
  • Object Storage
  • Block Storage
  • Load Balancers
  • Databases

Only in Tenable Nessus

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

Both cover

  • ISO 27001
  • Cloud deployment
  • Windows support

What people use each for

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

OVHcloud

  • Managed Kubernetes container orchestration for cloud-native applicationsnot Tenable Nessus
  • Virtual machine instances with customizable CPU, RAM, and IOPSnot Tenable Nessus
  • Object storage with S3-compatible API for scalable data archivalnot Tenable Nessus
  • Managed databases including PostgreSQL, MySQL, MongoDB, and ClickHousenot Tenable Nessus
  • Private network connectivity with vRack for multi-AZ isolationnot Tenable Nessus

Tenable Nessus

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

Where each one falls short

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

OVHcloud

  • Public Cloud pricing table lists a scheduled price change with a column labeled Price on April 1, 2026, showing current rates are promotional and set to change on that date
  • Free network traffic and free Object Storage API calls exclude the Asia-Pacific region

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

OVHcloud

€3.5/month
  • Public Cloud Starter$3.5/month
    • 1 vCPU
    • 1 GB RAM
    • 10 GB storage
  • Bare Metal$49/month
    • Dedicated hardware
    • High performance
    • Full control

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 OVHcloud if

  • You need public cloud.
  • You work on Linux, Windows, Api, Cli.
  • You also want private cloud.
OVHcloud 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 OVHcloud or Tenable Nessus better?
Neither clearly leads. OVHcloud starts at €3.5/month and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OVHcloud or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at €3.5/month for OVHcloud and Free for Tenable Nessus.
Does OVHcloud or Tenable Nessus run on more platforms?
OVHcloud runs on Linux, Windows, Api, Cli. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Tenable Nessus for free?
Yes. Tenable Nessus has a free tier, so you can try it without paying. OVHcloud starts at €3.5/month.
What is OVHcloud best used for?
OVHcloud is most often used for managed kubernetes container orchestration for cloud-native applications, virtual machine instances with customizable cpu, ram, and iops, object storage with s3-compatible api for scalable data archival, managed databases including postgresql, mysql, mongodb, and clickhouse. Of those, managed kubernetes container orchestration for cloud-native applications and virtual machine instances with customizable cpu, ram, and iops are not what Tenable Nessus is typically brought in for.
What can OVHcloud do that Tenable Nessus cannot?
OVHcloud covers Public Cloud, Private Cloud, Bare Metal Servers, Managed Kubernetes. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection. Both handle ISO 27001, Cloud deployment, Windows support.

Answered from the vendors’ own pages

OVHcloud: How does OVHcloud charge for cloud services?

OVHcloud offers pay-as-you-go pricing for compute, storage, and bandwidth. Specific per-unit costs are accessed through the pricing calculator on the vendor site.

Source
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
OVHcloud: Are there savings plans for OVHcloud services?

OVHcloud mentions savings plan options on its services pages, but pricing discounts and commitment terms are not detailed on the homepage.

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
OVHcloud: What is the cost of OVHcloud zero inter-AZ fees?

OVHcloud advertises zero inter-AZ (availability zone) fees for data transfers within its network. Monthly subscription rates for individual services are not published on the vendor homepage.

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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