Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Network Vulnerability Scanners

Intruder vs Qualys VMDR

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Intruder #1 in Network Vulnerability Scanners 9.4/10 Free plan · 14-day trial Free planFree trial✓ 0 of 4 features Visit Intruder
Qualys VMDR #5 in Network Vulnerability Scanners 8.8/10 7-day trial Free trial✓ 0 of 4 features Visit Qualys VMDR

Intruder leads on 1 check, Qualys VMDR on 0, and 0 are 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 scoreIntruder · 9.4/10
  • Free planonly Intruder
  • Free trialboth

Intruder scores higher on our rubric for network vulnerability scanners: 9.4 against 8.8 out of 10; our editors rank them #1 and #5.

Intruder offers free plan; Qualys VMDR doesn't.

Intruder is the better fit for broad hybrid scanning with a free starting tier. Qualys VMDR is the better fit for enterprise hybrid asset and risk management.

  • Intruder fits best

    Broad hybrid scanning with a free starting tier

  • Qualys VMDR fits best

    Enterprise hybrid asset and risk management

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Intruder 9.4/10 Visit ↗ Qualys VMDR 8.8/10 Visit ↗
At a glance
Editor score 9.4 8.8
Ranking #1 in Network Vulnerability Scanners #5 in Network Vulnerability Scanners
Best for Broad hybrid scanning with a free starting tier Enterprise hybrid asset and risk management
Pricing model Free plan + paid Paid
Starting price — —
Free plan ✓ (best) —
Free trial 14 days 7 days
Free trial length 14 days 7 days
Deployment Cloud Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Live chat, Email, Docs Email, Docs, Community
Compliance SOC 2, ISO 27001, PCI DSS, HIPAA, 2FA HIPAA, PCI DSS, SSO/SAML
Integrations 17 integrations 101+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Intruder 0/4 · Qualys VMDR 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 Not checked yet Not checked yet
Supported operating systems Not checked yet Not checked yet
Our review
Pros
  • Covers external, internal, web, API, cloud, and container targets
  • Free plan includes weekly external, cloud, and container scans
  • Integrates with AWS, GitHub, Jira, Slack, ServiceNow, and SIEM tools
  • Scans on-premises, cloud, container, mobile, OT and IoT assets
  • Prioritizes vulnerabilities using threat intelligence and risk context
  • Connects with ServiceNow, Jira, SIEM and cloud security systems
Cons
  • Authenticated web application scanning is excluded from the Free plan
  • Cloud and Pro pricing combines a base fee with a per-target fee
  • Intruder is not a PCI ASV
  • Starts at $2,195 and has no free plan
  • The broad feature set may exceed focused scanning needs
  • Higher tiers are required for remediation and endpoint protection
Our verdict

Intruder is a vulnerability management platform for security, IT, and compliance teams that need coverage across internet-facing infrastructure, internal devices, applications, APIs, cloud environments, and container images. Its hybrid…

Read the review →

Qualys VMDR is a cloud-based vulnerability management product for organizations managing diverse hybrid environments. It discovers and inventories assets across on-premises, cloud, containers, mobile, OT and IoT environments, then assesses…

Read the review →
  1. IntruderNetwork Vulnerability Scanners 9.4Free plan · 14-day trial
  2. Qualys VMDRNetwork Vulnerability Scanners 8.87-day trial

Strengths and trade-offs

  • Intruder — where it wins

    • Covers external, internal, web, API, cloud, and container targets
    • Free plan includes weekly external, cloud, and container scans
    • Integrates with AWS, GitHub, Jira, Slack, ServiceNow, and SIEM tools

    Where it doesn't

    • Authenticated web application scanning is excluded from the Free plan
    • Cloud and Pro pricing combines a base fee with a per-target fee
    • Intruder is not a PCI ASV

  • Qualys VMDR — where it wins

    • Scans on-premises, cloud, container, mobile, OT and IoT assets
    • Prioritizes vulnerabilities using threat intelligence and risk context
    • Connects with ServiceNow, Jira, SIEM and cloud security systems

    Where it doesn't

    • Starts at $2,195 and has no free plan
    • The broad feature set may exceed focused scanning needs
    • Higher tiers are required for remediation and endpoint protection

More comparisons

All network vulnerability scanners comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update