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Head-to-head · Vulnerability Scanner Software

Tenable Security Center vs Intruder

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Tenable Security Center #2 in Vulnerability Scanner Software —/10 Pricing on request ✓ 0 of 3 features Visit Tenable
Higher score Intruder #8 in Vulnerability Scanner Software 6.3/10 Free plan · 14-day trial Free plan✓ 1 of 3 features Visit Intruder

Tenable Security Center leads on 0 checks, Intruder on 2, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIntruder · 6.3/10
  • Free planonly Intruder
  • Most featuresIntruder · 1 of 3

Our editors rank Tenable Security Center at #2 and Intruder at #8 for vulnerability scanner software; Tenable Security Center has no rubric score yet (facts researched, not yet scored), so the checks below decide.

Intruder offers free plan; Tenable Security Center doesn't. Intruder offers continuous scanning; Tenable Security Center doesn't publish it.

Tenable Security Center is the better fit for enterprises managing vulnerability risk on-premises. Intruder is the better fit for teams scanning external assets, endpoints, and cloud.

  • Tenable Security Center fits best

    Enterprises managing vulnerability risk on-premises

  • Intruder fits best

    Teams scanning external assets, endpoints, and cloud

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Tenable Security Center —/10 Visit ↗ Intruder 6.3/10 Visit ↗
At a glance
Editor score — 6.3
Ranking #2 in Vulnerability Scanner Software #8 in Vulnerability Scanner Software
Best for Enterprises managing vulnerability risk on-premises Teams scanning external assets, endpoints, and cloud
Pricing model Paid Free plan + paid
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Deployment Cloud, Desktop Cloud
Platforms Web, Linux Web, Windows, macOS, Linux
Integrations 10 integrations 17 integrations
Features Tenable Security Center 0/3 · Intruder 1/3
Authenticated scans Not published Not published
Continuous scanning Not published ✓ (best)
Report exports Not published Not published
Specs
Scan targets Not published Not published
Deployment Not published Not published
Asset limit Not published Not published
Our review
Pros
  • Combines active, passive, credentialed, and agent-based assessment
  • Prioritizes risk and tracks remediation status
  • Connects with Tenable tools and enterprise systems
  • Scans public assets, internal devices, web apps, APIs, cloud, and container images
  • Supports authenticated scans, scheduled checks, and remediation verification
  • Connects with cloud, ticketing, collaboration, and SIEM tools
Cons
  • Pricing requires contacting sales
  • Web application scanning is an integration or add-on capability
  • Its on-premises deployment may not suit teams seeking a cloud service
  • Free plan excludes authenticated web application scanning
  • Internal scans require an agent on Windows, macOS, or Linux devices
  • PCI DSS alignment does not make Intruder a PCI ASV
Our verdict

Tenable Security Center is an on-premises vulnerability management platform aimed at enterprises that need to discover assets, assess vulnerabilities, and manage remediation. Its coverage combines active scanning with Nessus scanners,…

Read the review →

Intruder is a vulnerability management platform for security, IT, and compliance teams that need to scan assets across multiple environments. It covers public IP addresses, domains and subdomains, internal Windows, macOS and Linux devices,…

Read the review →
  1. Tenable Security CenterVulnerability Scanner Software —Pricing on request
  2. IntruderVulnerability Scanner Software 6.3Free plan · 14-day trial

Strengths and trade-offs

  • Tenable Security Center — where it wins

    • Combines active, passive, credentialed, and agent-based assessment
    • Prioritizes risk and tracks remediation status
    • Connects with Tenable tools and enterprise systems

    Where it doesn't

    • Pricing requires contacting sales
    • Web application scanning is an integration or add-on capability
    • Its on-premises deployment may not suit teams seeking a cloud service

  • Intruder — where it wins

    • Scans public assets, internal devices, web apps, APIs, cloud, and container images
    • Supports authenticated scans, scheduled checks, and remediation verification
    • Connects with cloud, ticketing, collaboration, and SIEM tools

    Where it doesn't

    • Free plan excludes authenticated web application scanning
    • Internal scans require an agent on Windows, macOS, or Linux devices
    • PCI DSS alignment does not make Intruder a PCI ASV
  • Tenable Security Center—/10 · Pricing on request

    An on-premises platform for enterprise vulnerability discovery, prioritization, and remediation tracking.

    Visit TenableFull verdict →
  • Intruder6.3/10 · Free plan · 14-day trial

    A broad scanner for teams that need visibility across external, internal, application, and cloud assets.

    Visit IntruderFull verdict →

More comparisons

All vulnerability scanner software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026