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Insurance · head to head

FRISS vs Tenable Nessus

FRISS logo

FRISS

Insurance

Trust automation for insurance

From
On request
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: FRISS no pricing plans, tiers, or costs are published on the website; 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: FRISS covers Underwriting risk scoring, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where FRISS and Tenable Nessus differ
AttributeFRISSTenable Nessus
Starting priceOn requestFree
Free tierNoYes
PlatformsWeb, ApiWindows, Linux, Macos, Cloud
CategoryInsuranceCybersecurity
Founded20062002

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 FRISS

  • Underwriting risk scoring
  • Claims fraud detection
  • Network analysis
  • Real-time decisioning
  • Third-party data enrichment
  • Case management
  • Predictive analytics
  • Compliance monitoring

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

What people use each for

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

FRISS

  • Fraud detectionnot Tenable Nessus
  • Risk assessmentnot Tenable Nessus
  • Underwriting automationnot Tenable Nessus
  • Claims investigationnot Tenable Nessus
  • Compliancenot Tenable Nessus

Tenable Nessus

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

Where each one falls short

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

FRISS

  • No pricing plans, tiers, or costs are published on the website
  • Requires direct contact through 'Let's talk' call-to-action for pricing inquiries

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

FRISS

On request
  • Underwriting$undefined/year
    • Risk scoring
    • Application fraud detection
    • Real-time assessment
  • Claims$undefined/year
    • Claims fraud detection
    • Network analysis
    • Investigation prioritization
  • Enterprise Platform$undefined/year
    • All modules
    • Custom models
    • Advanced analytics

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 FRISS if

  • You need underwriting risk scoring.
  • You work on Web, Api.
  • You also want claims fraud detection.
FRISS 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 FRISS or Tenable Nessus better?
Neither clearly leads. FRISS starts at On request and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FRISS or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at On request for FRISS and Free for Tenable Nessus.
Does FRISS or Tenable Nessus run on more platforms?
FRISS runs on Web, Api. 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. FRISS starts at On request.
What is FRISS best used for?
FRISS is most often used for fraud detection, risk assessment, underwriting automation, claims investigation. Of those, fraud detection and risk assessment are not what Tenable Nessus is typically brought in for.
What can FRISS do that Tenable Nessus cannot?
FRISS covers Underwriting risk scoring, Claims fraud detection, Network analysis, Real-time decisioning. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection. Both handle Cloud deployment.

Answered from the vendors’ own pages

FRISS: How does FRISS publish pricing information?

FRISS does not publicly disclose pricing on their website. The company directs interested parties to contact their sales team directly for pricing and licensing details.

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
FRISS: What pricing model does FRISS use?

FRISS does not specify their pricing model on publicly available pages, requiring direct contact with their sales team to discuss pricing structure and implementation costs.

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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