NopSec vs Tenable: Vulnerability Management Comparison (2026)

NopSec focuses on risk-based vulnerability management and offers features like Celebrity Vuln Hunt and Attack Surface 360. Tenable provides cloud-based vulnerability management with comprehensive asset tracking and AI-powered exposure management. Tenable offers a starting price and a free tier, while NopSec does not publicly list pricing or a free tier.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask vulnerability management questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Tenable leads overall67% cited vs NopSec 0% across 60 probes.
ChatGPT
NopSec
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Perplexity
NopSec
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Gemini
NopSec
0 / 6 probes
0%
Invisible
TenableLeads
2 / 6 probes
33%
Good
Claude
NopSec
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Copilot
NopSec
0 / 6 probes
0%
Invisible
Tenable
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

NopSec
Starting price
Free tier
nopsec.com
Tenable
Starting price
$3,700/1 Year
Free tier
Yes
tenable.com

Key Features

NopSec
  • RBVM Core
  • PowerIntel
  • Celebrity Vuln Hunt
  • IT Asset Prioritization
  • Collaborator
  • Risk Simulator
  • InControl
  • Attack Surface 360
Tenable
  • Cloud-based vulnerability management
  • Track assets with unmatched accuracy
  • Includes web app scanning
  • AI-powered exposure management

When to choose NopSec

NopSec is suitable for organizations establishing new vulnerability management programs and seeking features like ROI reporting and zero-day vulnerability detection.

When to choose Tenable

Tenable is beneficial for organizations that require comprehensive asset tracking, web application scanning, and AI-powered exposure management within a cloud-based vulnerability management solution, and those who prioritize a quick setup process.

Frequently Asked Questions

What are the key features of NopSec?
NopSec's key features include RBVM Core, PowerIntel, Celebrity Vuln Hunt, IT Asset Prioritization, Collaborator, Risk Simulator, InControl, and Attack Surface 360.
What are the key features of Tenable?
Tenable's key features include cloud-based vulnerability management, tracking assets with unmatched accuracy, web app scanning, and AI-powered exposure management.
Does NopSec offer a free tier?
NopSec does not publicly list a free tier.
Does Tenable offer a free tier?
Yes, Tenable offers a free tier.
What is the starting price for NopSec?
NopSec does not publicly list pricing.

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