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Head-to-head · Vulnerability Scanner Software

OpenVAS vs Intruder

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
OpenVAS #5 in Vulnerability Scanner Software 6.3/10 Free plan · 14-day trial Free plan✓ 1 of 3 features Visit OpenVAS
Intruder #8 in Vulnerability Scanner Software 6.3/10 Free plan · 14-day trial Free plan✓ 1 of 3 features Visit Intruder

OpenVAS leads on 0 checks, Intruder on 0, and 2 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

  • Free planboth

OpenVAS and Intruder score identically on our rubric (6.3 out of 10) for vulnerability scanner software; OpenVAS sits at #5 and Intruder at #8 in our editorial ranking, so the choice comes down to fit.

OpenVAS is the better fit for teams wanting free, self-hosted network vulnerability scans. Intruder is the better fit for teams scanning external assets, endpoints, and cloud.

  • OpenVAS fits best

    Teams wanting free, self-hosted network vulnerability scans

  • Intruder fits best

    Teams scanning external assets, endpoints, and cloud

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Side by side

Feature OpenVAS 6.3/10 Visit ↗ Intruder 6.3/10 Visit ↗
At a glance
Editor score 6.3 6.3
Ranking #5 in Vulnerability Scanner Software #8 in Vulnerability Scanner Software
Best for Teams wanting free, self-hosted network vulnerability scans Teams scanning external assets, endpoints, and cloud
Pricing model Free plan + paid Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Free trial length 14 days 14 days
Deployment Self-hosted Cloud
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, Linux
Support Community, Docs Live chat, Email, Docs
Compliance GDPR SOC 2, ISO 27001, PCI DSS, HIPAA, 2FA
Integrations 5 integrations 17 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features OpenVAS 1/3 · Intruder 1/3
Authenticated scans Not published Not published
Continuous scanning ✓ ✓
Report exports Not published Not published
Specs
Scan targets Not published Not published
Deployment Not published Not published
Asset limit 150 assets Not published
Our review
Pros
  • Authenticated and unauthenticated scans across broad infrastructure targets
  • Continuous scanning, daily feed updates and scheduled alerts
  • Open-source deployment with API integrations and distributed sensors
  • 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
  • The free plan has a 150-asset limit
  • Self-hosted deployment requires infrastructure management
  • Enterprise feeds and advanced automation require paid plans
  • 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

OpenVAS is an open-source vulnerability scanner from Greenbone for teams assessing network services, servers, applications, endpoints and container images. It supports both unauthenticated and authenticated testing, agent-based scanning,…

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. OpenVASVulnerability Scanner Software 6.3Free plan · 14-day trial
  2. IntruderVulnerability Scanner Software 6.3Free plan · 14-day trial

Strengths and trade-offs

  • OpenVAS — where it wins

    • Authenticated and unauthenticated scans across broad infrastructure targets
    • Continuous scanning, daily feed updates and scheduled alerts
    • Open-source deployment with API integrations and distributed sensors

    Where it doesn't

    • The free plan has a 150-asset limit
    • Self-hosted deployment requires infrastructure management
    • Enterprise feeds and advanced automation require paid plans

  • 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
  • OpenVAS6.3/10 · Free plan · 14-day trial

    A self-hosted scanner with authenticated testing, continuous scans and a free 150-asset tier.

    Visit OpenVASFull 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