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Head-to-head · Network Vulnerability Scanners

OpenVAS vs NSAuditor AI

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score OpenVAS #2 in Network Vulnerability Scanners 9.2/10 Free plan · 14-day trial Free planFree trial✓ 0 of 4 features Visit OpenVAS
NSAuditor AI #7 in Network Vulnerability Scanners 8.5/10 Free plan Free plan✓ 0 of 4 features Visit NSAuditor AI

OpenVAS leads on 0 checks, NSAuditor AI on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenVAS · 9.2/10
  • Free planboth
  • Free trialonly OpenVAS

OpenVAS scores higher on our rubric for network vulnerability scanners: 9.2 against 8.5 out of 10; our editors rank them #2 and #7.

OpenVAS is the better fit for mature open-source vulnerability management. NSAuditor AI is the better fit for open-source scanning with AI and compliance breadth.

  • OpenVAS fits best

    Mature open-source vulnerability management

  • NSAuditor AI fits best

    Open-source scanning with AI and compliance breadth

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Side by side

Feature OpenVAS 9.2/10 Visit ↗ NSAuditor AI 8.5/10 Visit ↗
At a glance
Editor score 9.2 8.5
Ranking #2 in Network Vulnerability Scanners #7 in Network Vulnerability Scanners
Best for Mature open-source vulnerability management Open-source scanning with AI and compliance breadth
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial 14 days —
Deployment Self-hosted Self-hosted
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Community, Docs Email, Community, Docs
Compliance GDPR SOC 2, HIPAA, GDPR, PCI DSS, ISO 27001
Integrations 5 integrations 7 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features OpenVAS 0/4 · NSAuditor AI 0/4
Credentialed scans Not checked yet Not checked yet
Agent-based scanning Not checked yet Not checked yet
Compliance checks Not checked yet Not checked yet
Network discovery Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Asset limit 150 assets Not checked yet
Supported operating systems Not checked yet Not checked yet
Our review
Pros
  • Authenticated and unauthenticated scanning across broad infrastructure targets
  • Continuous scanning, daily feed updates, agents and container image scanning
  • Compliance, scheduling, automation, APIs and distributed sensor architecture
  • Scans hosts, CIDR subnets, cloud environments, TLS, DNS, and OT targets
  • Supports offline CVE matching, risk prioritization, and MITRE ATT&CK mapping
  • Runs on customer infrastructure with air-gapped operation and zero data exfiltration
Cons
  • OPENVAS FREE is limited to private and non-professional IT infrastructures
  • OPENVAS BASIC is intended for networks with fewer than 150 assets
  • Choosing between community, free and commercial editions requires care
  • Community includes 27 scanner plugins, compared with 56 in Enterprise tiers
  • Cloud auditing requires customer-configured AWS, Azure, or GCP credentials
  • Advanced compliance and custom capabilities are limited to higher-tier plans
Our verdict

OpenVAS is an open-source vulnerability scanner developed and maintained by Greenbone AG. It is designed for organizations assessing network services, servers, applications, endpoints and container images through both unauthenticated and…

Read the review →

NSAuditor AI is an open-core vulnerability and network security auditing platform for security teams, MSPs, MSSPs, and compliance consultancies. It scans network hosts and CIDR subnets, audits AWS, Azure, and GCP environments, matches…

Read the review →
  1. OpenVASNetwork Vulnerability Scanners 9.2Free plan · 14-day trial
  2. NSAuditor AINetwork Vulnerability Scanners 8.5Free plan

Strengths and trade-offs

  • OpenVAS — where it wins

    • Authenticated and unauthenticated scanning across broad infrastructure targets
    • Continuous scanning, daily feed updates, agents and container image scanning
    • Compliance, scheduling, automation, APIs and distributed sensor architecture

    Where it doesn't

    • OPENVAS FREE is limited to private and non-professional IT infrastructures
    • OPENVAS BASIC is intended for networks with fewer than 150 assets
    • Choosing between community, free and commercial editions requires care
  • NSAuditor AI — where it wins

    • Scans hosts, CIDR subnets, cloud environments, TLS, DNS, and OT targets
    • Supports offline CVE matching, risk prioritization, and MITRE ATT&CK mapping
    • Runs on customer infrastructure with air-gapped operation and zero data exfiltration

    Where it doesn't

    • Community includes 27 scanner plugins, compared with 56 in Enterprise tiers
    • Cloud auditing requires customer-configured AWS, Azure, or GCP credentials
    • Advanced compliance and custom capabilities are limited to higher-tier plans

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update