No. 20 of 45 ·Patch Management Software

Tenable One Attack Surface Management

Web · Windows · Mac · Linux

Freedom report

Two barsScore 5.3

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

Tenable One Attack Surface Management is ranked #20 of 45 in patch management software on Freedom251. It runs on Linux, macOS, Web, Windows. There is no free plan.

Tenable One Attack Surface Management plans and pricing

All plans

Tenable One Attack Surface Management Not published Request a demo or quote; public price not stated tenable.com · 29 Sept 2026

Compared on patch management software

Free plan: No
External asset discovery: Yes
Attack-path analysis: Yes
Cloud asset discovery: Yes
Monitoring frequency: continuous
API access: Yes

Best Tenable One Attack Surface Management alternatives

See all 12

Two bars ManageEngine Patch Manager Plus Free tier No. 1$20.42/mo6.8 Two bars SureAsset Free tier No. 2Free6.8 Two bars Kudu Free tier No. 3$5/mo6.6 Two bars OPSI Free tier No. 4€41.58/mo6.6 No signal Qualys External Attack Surface Management Paid plans No. 5—6.5 Two bars Action1 Free tier No. 6Free6.4

The record

Purpose: Identifies internet-facing assets and services that threat actors could externally access.
Asset discovery: Continuously maps the internet and offers an attack surface map of more than 5 billion assets to help identify unknown assets related to an organization.
Monitoring: Provides notifications on changes and continuous monitoring of the external attack surface.
Business context: Provides more than 200 fields of metadata, filters, tags, and datatypes to help assess internet-connected assets.
Risk assessment: Users can start scans of unassessed assets to identify hidden risk across the external attack surface.
Use cases: Tenable lists cybersecurity, compliance, brand protection, mergers and acquisitions, competitive analysis, and legal as use cases.
Sales and pricing: The product page offers a demo request, and the Tenable One pricing page directs buyers to request a quote rather than listing a price.
Integrations: Tenable One connectors combine third-party security-tool data with Tenable sensor data; listed examples include CrowdStrike, Qualys, Rapid7 InsightVM, and ServiceNow CMDB.
Open connector: Tenable One Open Connector can ingest data from additional tools, internal systems, spreadsheets, or files.
Security and trust: Tenable says security and service availability are priorities and directs customers to its trust portal for security and compliance information.
Support: Tenable provides technical support resources and product documentation through its support page.
Platform relationship: The product page describes Attack Surface Management as part of Tenable One, which unifies external attack surface assets and exposure data.
Founded: 2002
Headquarters: Columbia, Maryland, United States

Where it ranks on Freedom251

Best Patch Management Software in 2026#20 of 45
Best Vulnerability Scanning Software in 2026#17 of 31
Best Security Ratings Software in 2026#19 of 29
Best Vulnerability Management Software in 2026#16 of 29
Best Web Application Security Scanners in 2026#15 of 29
Best Attack Surface Management Software in 2026#20 of 28
Best Dynamic Application Security Testing Software in 2026#12 of 26
Best Network Vulnerability Scanners in 2026#14 of 22
Best Exposure Management Software in 2026#14 of 20
Best OT and ICS Security Monitoring Software in 2026#8 of 16

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Sources

tenable.com/products/attack-surface-management· checked 29 Sept 2026
tenable.com/products/tenable-one/pricing· checked 29 Sept 2026
tenable.com/products/tenable-one/connectors· checked 29 Sept 2026
tenable.com/trust· checked 29 Sept 2026
tenable.com/support· checked 29 Sept 2026