nessus.org
Tenable®
Who runs Tenable®, what it tracks and what it costs, and the 20 closest vulnerability scanning software alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- Qualys
Measured from Tenable®’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Tenable®01 · Who’s behind it
Who runs Tenable®
Tenable® nessus.org
Find out more about Nessus - the trusted gold standard for vulnerability assessment, designed for modern attack surfaces - used by thousands of organizations.
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Tenable® tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
trackers that follow visitors
6 of the 17 alternatives below have fewer, 4 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 2 tools
Marketing and email tracking
Links visits to email campaigns and customer profiles.
Tag manager
Loads further tracking scripts, which we can’t always see.
03 · Alternatives
Alternatives to Tenable®
Thumbs up if it’s a real alternative to Tenable®, thumbs down if it isn’t.
20 of the 60 sites closest to Tenable® match.
- 01
Rapid7 Managed Cybersecurity: Outpace Attackers
Outpace attackers with the only endpoint to cloud, unified cybersecurity platform. Build business resilience with expert-led 24/7 MDR.
Very close - 02
Nmap: the Network Mapper - Free Security Scanner
Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Very close - 03
Sucuri - Complete Website Security, Protection & Monitoring
Website security made simple—Sucuri offers fast malware cleanup, reliable monitoring, and powerful protection for any CMS.
Very close - 04
Website Security Monitoring & Malware Protection | SiteLock
Secure your website with our security monitoring and protection services. Protect data, prevent cyberattacks, and ensure peace of mind with SiteLock solutions.
Very close - 05
Wiz: AI Cybersecurity for All Your Cloud and AI Applications
Wiz connects code, cloud, and runtime into one agentic cybersecurity platform. Prevent risk, detect threats, and start secure – across every cloud and AI layer.
Very close - 06
Shodan Search Engine
Search Engine for the Internet of Things
Very close - 07
Advanced Website Protection for Unmatched Cyber Defense
Safeguard your devices with Comodo's advanced endpoint protection and protect your websites from malware and cyber threats. Secure your site now!
Very close - 08
Censys | The Authority for Internet Intelligence and Insights
Censys empowers security teams with the most comprehensive, accurate, and up-to-date map of the internet to defend attack surfaces and hunt for threats.
Very close - 09
URL and website scanner - urlscan.io
urlscan.io - Website scanner for suspicious and malicious URLs
Very close - 10
Fastest protection for WordPress security vulnerabilities - Patchstack
Keep your WordPress sites and JavaScript apps safe from vulnerable plugins, themes & npm packages. Protect sites with virtual patching.
Very close - 11
GFI Software
GFI Software provides firewall, patch management, email security, network control and AI agents for SMBs and MSPs, without enterprise complexity or cost.
Very close - 12
Autonomous IT, endpoint intelligence and control | Tanium
Tanium is a unified endpoint management and security platform: agentic AI for real-time visibility, patching, and risk remediation across endpoints.
Very close - 13
VirusTotal
VirusTotal
Very close - 14
HAProxy Technologies | Powering the World's Busiest Applications
Simplify, scale, and secure modern applications, APIs, and AI services in any environment. HAProxy Technologies is the company behind HAProxy.
Very close - 15
Group-IB | Prediction-First Cybersecurity and Anti-Fraud
Prediction-First cybersecurity built on collective defense. Group-IB unites cyber and fraud through cyber-fraud fusion to act before attackers and fraudsters complete their next move.
Very close - 16
Cybersecurity & Threat Intelligence Services | Webroot
American Private company that provides Internet security for consumers and businesses
Very close - 17
Sophos: Cyber Resilience for the Agentic AI Era
Sophos Fusion is the industry’s most complete cyber defense system. It sees everything, connects everything, and enables your defenses to respond as one.
Very close - 18
Kaspersky Cyber Security Solutions for Home and Business | Kaspersky
Official Site – A Global Leader in next-generation cybersecurity solutions and services, Kaspersky offers premium protection against all cyber threats for your home and business.
Very close - 19
Docker | Secure Sandboxes for AI Agents
Run AI agents and containers safely, anywhere. Docker gives builders trusted sandboxes, governance, and a secure supply chain for modern software.
Very close - 20
AhnLab
AhnLab delivers an AI-powered cybersecurity platform that connects endpoint, network, cloud, CPS security, XDR, and threat intelligence to help businesses stay secure.
Very close
Closest first, by how much each site’s offer resembles Tenable®’s. Trackers are counted the same way as above. Highlighted technologies are ones Tenable® uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Tenable® adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 8 technologies
- Neighbours
- k = 60
- Sites searched
- 9,211
- Vector
- 384-d
- Query
- 36 ms
Competitor map
Each alternative by how close its vector is to Tenable®’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- CMS
- Drupal header x-drupal-cache: MISS
- Tag managers
- Google Tag Manager page source: googletagmanager.com/gtm.js
- Marketing automation
- Marketo page source: munchkin.marketo.net
- CDN
- Cloudflare header cf-ray: a56319a4b94be474-HAM
- Languages & backends
- PHP implied by Drupal (header x-drupal-cache: MISS)
- Email hosting
- Google Workspace TXT v=spf1 include:us._netblocks.mimecast.com include:_spf.google.com ip4…
- Mimecast MX us-smtp-inbound-1.mimecast.com
- DNS hosting
- Amazon Route 53 NS ns-383.awsdns-47.com
What competitors use
Across the 20 closest sites.
- Google Search Console · not on nessus.org 18/20
- Google Workspace 12/20
- Microsoft 365 · not on nessus.org 11/20
- Apple Business · not on nessus.org 10/20
- Google Tag Manager 10/20
- Atlassian · not on nessus.org 8/20
- HubSpot · not on nessus.org 8/20
- Cloudflare 7/20
- DocuSign · not on nessus.org 7/20
- OpenAI · not on nessus.org 7/20
- Amazon Route 53 7/20
- Adobe · not on nessus.org 6/20
- jQuery · not on nessus.org 6/20
- PHP 6/20
- WordPress · not on nessus.org 6/20
- Google Fonts · not on nessus.org 6/20