Tenable OT Security Alternatives 2026 - Top Competitors Ranked

You're looking at alternatives to:

Tenable OT Security

Tenable OT Security provides continuous network monitoring and vulnerability management for Operational Technology (OT) environments, identifying and prioritizing risks across industrial control systems and critical infrastructure assets through passive scanning technology.

7.9 Good

apps Top Tenable OT Security Alternatives

The top alternative to Tenable OT Security in 2026 is Wireshark with a score of 9.4/10, followed by Cobalt Strike (9.1) and Wiz Cloud Security Platform (9.0).

Wireshark

Wireshark is a free and open-source packet analyzer used for network troubleshooting and security monitoring, allowing u...

Open Source Packet Analysis 1990S Network Forensics

9.4 Excellent

Cobalt Strike

Cobalt Strike is a commercial penetration testing and red teaming platform utilized by cybersecurity teams to simulate s...

Pentest Adversary Simulation Red Team Fortra

9.1 Excellent

Wiz Cloud Security Platform

Wiz Cloud Security Platform analyzes network traffic in real-time to detect and prevent sophisticated threats like ranso...

Enterprise Cloud Security Agentless Cspm

9.0 Excellent

Metasploit Pro

Metasploit Pro is a commercial penetration testing framework offering a comprehensive suite of tools and modules for vul...

Penetration Testing Offensive Rapid7 Exploit Framework

8.9 Great

Shodan

Shodan is a search engine that indexes internet-connected devices – including servers, routers, and industrial control s...

IOT Asset Discovery Osint Internet Scanner

8.9 Great

Tenable Nessus

Tenable Nessus is a vulnerability scanner that identifies weaknesses in systems and applications by analyzing configurat...

Enterprise Compliance Vulnerability Scanner Assessment

8.8 Great

Cisco Duo

Cisco Duo Security offers multi-factor authentication (MFA) solutions that verify user identities using multiple methods...

Zero Trust Cisco Identity Security Mfa

8.8 Great

Suricata

Suricata is an open-source network threat detection system that performs deep packet inspection and intrusion prevention...

Open Source Network Intrusion Detection 2010S

8.8 Great

SentinelOne Singularity Platform

The SentinelOne Singularity Platform employs AI and machine learning to autonomously detect and respond to malware threa...

Enterprise AI Driven Xdr Edr

8.7 Great

Zeek

Zeek (formerly Bro) is an open-source network monitoring framework that analyzes network traffic in real-time, detecting...

Traffic Analysis Open Source Network Monitoring 1990S

8.7 Great

pfSense Community Edition

pfSense Community Edition is a free, open-source firewall and router software distribution based on FreeBSD, offering ad...

Smb Open Source Firewall Network

8.7 Great

Volatility Framework

Volatility Framework is an open-source digital forensics platform used to analyze memory dumps from various operating sy...

Open Source Endpoint Incident Response Malware Analysis

8.7 Great

Microsoft Defender for Endpoint

Microsoft Defender for Endpoint is a cloud-delivered endpoint detection and response (EDR) solution that continuously mo...

Cloud Enterprise Microsoft Endpoint

8.6 Great

MISP

MISP (Malware Information Sharing Platform) is an open-source threat intelligence platform used by cybersecurity profess...

Open Source Threat Intelligence 2010S Misp

8.6 Great

Okta Workforce Identity Cloud

Okta Workforce Identity Cloud provides secure access to applications and data for employees and contractors by managing...

SAAS Zero Trust Sso Iam

8.6 Great

Cloudflare WAF

Cloudflare’s Web Application Firewall (WAF) analyzes incoming HTTP/HTTPS traffic to identify and block malicious request...

Cloud Native Waf Ddos Protection CDN

8.5 Great

Mandiant Threat Intelligence

Mandiant Threat Intelligence provides real-time analysis of global cyber threats, offering organizations detailed insigh...

Google Enterprise Research Threat Intelligence

8.5 Great

Claroty Platform

Claroty Platform is a runtime defense platform that provides comprehensive visibility into industrial control systems (I...

IOT Industrial 2010S Ot Security

8.4 Great

Tenable Vulnerability Management

Tenable Vulnerability Management is a comprehensive solution that continuously scans IT environments for vulnerabilities...

Cloud SAAS Vulnerability Management Asset Discovery

8.4 Great

Nozomi Networks Guardian

Nozomi Networks Guardian is a network detection and response (NDR) platform that analyzes industrial network traffic in...

Network Monitoring Industrial Ot Security Ics

7.9 Good

summarize Quick Comparison Summary

Alternative	Score	vs Tenable OT Secu...	Action
Wireshark Security Software Open Source Packet Analysis 1990S	9.4 Excellent	+1.5	Compare
Cobalt Strike Security Software Pentest Adversary Simulation Red Team	9.1 Excellent	+1.2	Compare
Wiz Cloud Security Platform Security Software Enterprise Cloud Security Agentless	9.0 Excellent	+1.1	Compare
Metasploit Pro Security Software Penetration Testing Offensive Rapid7	8.9 Great	+1.0	Compare
Shodan Security Software IOT Asset Discovery Osint	8.9 Great	+1.0	Compare
Tenable Nessus Security Software Enterprise Compliance Vulnerability Scanner	8.8 Great	+0.9	Compare
Cisco Duo Security Software Zero Trust Cisco Identity Security	8.8 Great	+0.9	Compare
Suricata Security Software Open Source Network Intrusion Detection	8.8 Great	+0.9	Compare
SentinelOne Singularity Platform Security Software Enterprise AI Driven Xdr	8.7 Great	+0.8	Compare
Zeek Security Software Traffic Analysis Open Source Network Monitoring	8.7 Great	+0.8	Compare

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help Frequently Asked Questions

What are the best alternatives to Tenable OT Security?

The top alternatives to Tenable OT Security in 2026 include Wireshark, Cobalt Strike, Wiz Cloud Security Platform, Metasploit Pro, Shodan. Each offers unique features and is objectively scored on Lunoo to help you compare.

How does Tenable OT Security compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Tenable OT Security scores 7.9/10. Click any alternative above to see a detailed side-by-side comparison.

Is Tenable OT Security worth it in 2026?

Tenable OT Security scores 7.9/10 in the Security Software category. We recommend comparing it with the 20 alternatives listed above to find the best fit for your needs.

What is the best free alternative to Tenable OT Security?

Several alternatives to Tenable OT Security offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.

Why should I switch from Tenable OT Security?

Common reasons users look for Tenable OT Security alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.

How many alternatives to Tenable OT Security are there?

Lunoo currently lists 20 scored alternatives to Tenable OT Security in the Security Software category, ranked by our AI-powered evaluation system.

Which Tenable OT Security alternative has the highest rating?

Wireshark currently holds the highest rating among Tenable OT Security alternatives with a score of 9.4/10.

Can I use Wireshark instead of Tenable OT Security?

Wireshark is one of the top-rated alternatives to Tenable OT Security. While they serve similar purposes in the Security Software space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.

What is the cheapest alternative to Tenable OT Security?

Pricing varies among Tenable OT Security alternatives. We recommend checking each alternative's website for current pricing. Many options in the Security Software category offer free tiers or competitive pricing.

How are Tenable OT Security alternatives ranked on Lunoo?

Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.

Tenable OT Security vs Wireshark: which is better?

Tenable OT Security scores 7.9/10 while Wireshark scores 9.4/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Tenable OT Security vs Cobalt Strike: which is better?

Tenable OT Security scores 7.9/10 while Cobalt Strike scores 9.1/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Tenable OT Security vs Wiz Cloud Security Platform: which is better?

Tenable OT Security scores 7.9/10 while Wiz Cloud Security Platform scores 9.0/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

swap_horiz Tenable OT Security Alternatives