Tenable
About
Exposure management and vulnerability management platform — Nessus is the most widely deployed vulnerability scanner in the world with 30,000+ organizations and 2M+ downloads. Tenable One is the unified exposure management platform consolidating vulnerability management, cloud security (CNAPP), OT security, identity exposure, and web app scanning into a single risk-prioritized view. The most common comparison in enterprise vulnerability management is Tenable vs. Qualys — Tenable leads on scanner...
Details
VenSearch Intelligence
Ideal Customer
- Tenable's primary sweet spot is large enterprises and public-sector organizations with complex hybrid IT environments, multi-domain exposure needs, compliance obligations, and budgets supporting multi-product platform adoption — these are the core targets for Tenable One, cloud security, OT security, and identity exposure modules.
- Mid-market and commercial organizations are also served, particularly through Nessus Professional and more focused vulnerability management offerings that require less enterprise complexity.
Key Differentiators
- Tenable's primary differentiator is its position as the inventor of the Nessus vulnerability scanner and its evolution into the defining 'exposure management' platform — a category it helped pioneer and that Gartner has now formally recognized in its inaugural 2025 Magic Quadrant for Exposure Assessment Platforms, where Tenable was named a Leader positioned highest for Ability to Execute and furthest right for Completeness of Vision among 20 vendors.
- The company was simultaneously named a Leader in the IDC MarketScape: Worldwide Exposure Management 2025 Vendor Assessment and The Forrester Wave: Unified Vulnerability Management Q3 2025, and earned a Customers' Choice distinction in the 2025 Gartner Peer Insights Voice of the Customer for CNAPPs with a 4.8/5 rating and 88% willingness to recommend.
Industries Served
- Tenable serves a broad cross-section of industries including government and public sector, financial services, healthcare, manufacturing, energy and utilities, technology, retail, telecommunications, and oil and gas.
- Its deepest adoption concentrations are in financial services, healthcare, and government, which together represent a significant share of its installed base.
Service Coverage
- Tenable is a global cybersecurity company headquartered in Columbia, Maryland, with operations spanning the Americas, Europe, the Middle East and Africa (EMEA), and Asia-Pacific.
- The company operates in approximately 40 countries and serves roughly 44,000 customers worldwide, including large government agencies and enterprises across every major region.
Partnerships
- Tenable operates the Tenable Assure Partner Program for resellers, distributors, MSSPs, and systems integrators, with tiered levels including Platinum-tier partners such as Atos, AccessIT Group, and others operating across multiple global regions.
- Key named MSSP and channel partners include Optiv, CDW, SHI, eSentire, Dell, and Telefónica, among others recognized in Tenable's annual Global Partner Awards.
Company Size & Ownership
- Tenable was founded on September 16, 2002, by Ron Gula, Jack Huffard, and Renaud Deraison, and went public on Nasdaq (TENB) in 2018.
- The company employs approximately 2,000–2,300 people and reported full-year 2024 revenue of $900 million, growing to over $1 billion on a trailing twelve-month basis by mid-2026.
Compliance & Certifications
- Tenable holds a robust set of compliance certifications and attestations.
- Its cloud platform holds FedRAMP Moderate Authorization to Operate (ATO) for Tenable One Vulnerability Management, Tenable Cloud Security, and Tenable Web App Scanning, and is also StateRAMP Authorized.
Compiled from public sources by VenSearch · Last researched October 14, 2026
Offerings
4 offeringsTenable Nessus
The world's most widely deployed vulnerability scanner — used by 30,000+ organizations and downloaded 2M+ times. Comprehensive plugin library covering 77,000+ CVEs, misconfigurations, and compliance checks across on-premises and cloud assets. Nessus Professional is the standalone scanner; Nessus Essentials provides free scanning for up to 16 IPs for smaller organizations.
Tenable One Exposure Management
Unified exposure management platform consolidating vulnerability management, cloud security posture, identity exposure, web application scanning, and OT security into a single risk-prioritized view. AI-powered attack path analysis identifies how an attacker could chain vulnerabilities to reach critical assets — moving beyond raw CVSS scores to business risk context.
Tenable OT Security
OT and industrial control system vulnerability management — discovers and assesses PLCs, HMIs, SCADA systems, and ICS devices that traditional IT scanners cannot safely probe. Integrates with Tenable One for unified IT/OT risk visibility. Competes with Claroty and Dragos in the ICS/OT security market.
Tenable Security Center
On-premises vulnerability management platform for enterprises requiring local data residency or air-gapped environments — aggregates Nessus scanner data, provides continuous monitoring, and generates compliance reports for PCI DSS, HIPAA, NIST, and CIS benchmarks. The on-premises counterpart to Tenable.io (cloud).
Considering Tenable?
Our team will work with you to determine if Tenable is the right fit for your organization. From research and assessment through procurement negotiation and ongoing vendor management — we handle the entire process at no cost to you.