Best OWASP Nettacker Alternatives in 2026
The top OWASP Nettacker alternatives are Vornin, Intruder and OpenVAS: 15 vulnerability scanning software our editors would look at instead of OWASP Nettacker, in our ranking order.
OWASP Nettacker: A broad open-source scanner for authorized reconnaissance and CVE checks. Where it falls short: does not provide verified continuous scanning.
Switching from OWASP Nettacker? For most vulnerability scanning software buyers the best OWASP Nettacker alternative is Vornin, built for small teams needing broad cloud scanning. On a budget, Rapid7 InsightVM starts at $1.62/mo. OpenVAS offers the most asset limit (150 assets).
Why People Look for an OWASP Nettacker Alternative
- Does not provide verified continuous scanning
- Lacks compliance coverage
- Does not list integrations beyond its REST API and web interface
Quick Picks by What You Need
- Best overallVornin9.4
Small teams needing broad cloud scanning
Visit Vornin - Lowest priceRapid7 InsightVM8.7
Paid plans from $1.62/mo
Visit Rapid7 InsightVM - Best free optionVornin9.4
Has a free plan
Visit Vornin - Most asset limitOpenVAS9.0
150 assets
Visit OpenVAS
All 15 OWASP Nettacker Alternatives, Ranked
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.
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Best forSmall teams needing broad cloud scanning
- Better than OWASP Nettacker:
- Editor score 9.4 vs 6.2
Broad cloud vulnerability coverage with a free tier for up to five assets.
- Continuous scanning
- Authenticated scanning
9.4/10★★★★★Visit Vornin -
Best forBroad scanning with a free starting tier
- Better than OWASP Nettacker:
- Editor score 9.3 vs 6.2
Broad vulnerability coverage with a free tier and expansion paths for larger environments.
- Continuous scanning
- Authenticated scanning
9.3/10★★★★★Visit Intruder -
Best forTeams wanting open-source network coverage
- Better than OWASP Nettacker:
- Editor score 9.0 vs 6.2
A broad open-source scanner with authenticated testing, continuous scans and compliance features.
- Continuous scanning
- Authenticated scanning
9.0/10★★★★☆Visit OpenVAS -
Best forMSPs needing broad continuous scanning
- Better than OWASP Nettacker:
- Editor score 8.8 vs 6.2
A wide MSP-focused scanning platform with a $300 monthly starting point.
- Continuous scanning
- Authenticated scanning
8.8/10★★★★☆Visit ConnectSecure -
Best forMixed environments needing mature VM workflows
- Better than OWASP Nettacker:
- Editor score 8.7 vs 6.2
A mature hybrid platform for scanning, prioritizing, and tracking vulnerabilities across mixed environments.
- Authenticated scanning
8.7/10★★★★☆Visit Rapid7 -
Best forHybrid enterprises needing deep assessment
- Better than OWASP Nettacker:
- Editor score 8.6 vs 6.2
Deep hybrid vulnerability assessment with advanced prioritization and quote-based pricing.
- Authenticated scanning
8.6/10★★★★☆Visit Holm Security -
Best forLarge enterprises with complex asset estates
- Better than OWASP Nettacker:
- Editor score 8.5 vs 6.2
A broad vulnerability platform for enterprises managing complex, hybrid asset estates.
- Continuous scanning
- Authenticated scanning
8.5/10★★★★☆Visit Qualys VMDR -
Best forOn-premises enterprises needing centralized control
- Better than OWASP Nettacker:
- Editor score 8.4 vs 6.2
A centralized, on-premises platform for broad assessment, prioritization, and remediation tracking.
- Authenticated scanning
8.4/10★★★★☆Visit Tenable -
Best forCloud VM teams needing advanced prioritization
- Better than OWASP Nettacker:
- Editor score 8.3 vs 6.2
A strong cloud VM platform for advanced prioritization, with a higher annual cost and no web app scanning.
- Authenticated scanning
8.3/10★★★★☆Visit Tenable -
Best forTeams combining scanning with automated remediation
- Better than OWASP Nettacker:
- Editor score 8.2 vs 6.2
Combines broad vulnerability scanning with prioritization, patching, and remediation verification.
8.2/10★★★★☆Visit Vicarius -
Best forSmall teams needing validated network scans
- Better than OWASP Nettacker:
- Editor score 8.1 vs 6.2
A broad scanner for small teams that need validated network findings and scheduled coverage.
- Continuous scanning
- Authenticated scanning
Free plan · 7-day trial Our Pentest-Tools Network Vulnerability Scanner verdict → Visit Pentest-Tools8.1/10★★★★☆Visit Pentest-Tools -
Best forEndpoint-focused teams seeking strong value
- Better than OWASP Nettacker:
- Editor score 8.0 vs 6.2
Endpoint-focused vulnerability management with scanning, prioritization, patching, and compliance tools.
- Authenticated scanning
8.0/10★★★★☆Visit ManageEngine -
Best forAWS-centric security teams
- Better than OWASP Nettacker:
- Editor score 7.9 vs 6.2
A strong fit for AWS security teams needing continuous, multi-workload scanning.
- Continuous scanning
7.9/10★★★★☆Try Amazon Inspector -
Best forOpen-source teams needing agent telemetry
- Better than OWASP Nettacker:
- Editor score 7.8 vs 6.2
A self-hosted scanner for teams that need open-source visibility across networks and hosts.
- Continuous scanning
7.8/10★★★★☆Visit Sirius -
Best forLow-cost open-source network assessments
- Better than OWASP Nettacker:
- Editor score 7.7 vs 6.2
An open-core scanner for local, air-gapped network assessments and compliance reporting.
7.7/10★★★★☆Visit NSAuditor AI
OWASP Nettacker Alternatives: Common Questions
What is the best alternative to OWASP Nettacker?
Vornin: #1 in our Vulnerability Scanning Software ranking, with an editor score of 9.4 out of 10. Broad cloud vulnerability coverage with a free tier for up to five assets.
Is there a free alternative to OWASP Nettacker?
Yes. Vornin, Intruder, OpenVAS, Pentest-Tools Network Vulnerability Scanner and ManageEngine Vulnerability Manager Plus have a free plan or a free tier (7 of the 15 alternatives on this page).
What is the cheapest paid alternative to OWASP Nettacker?
Of the alternatives here that publish a price, Rapid7 InsightVM starts lowest, at $1.62/mo.
Why do people look for OWASP Nettacker alternatives?
Does not provide verified continuous scanning; Lacks compliance coverage; Does not list integrations beyond its REST API and web interface.
Which OWASP Nettacker alternative has the most asset limit?
OpenVAS, with 150 assets.
How do I switch from OWASP Nettacker?
Export your data from OWASP Nettacker (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel OWASP Nettacker.
How to Switch from OWASP Nettacker
- Export your data from OWASP Nettacker (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel OWASP Nettacker.
OWASP Nettacker vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment model | Supported targets | Authenticated scanning | Continuous scanning | Score |
|---|---|---|---|---|---|---|---|---|
| 27 | OWASP Nettacker | Free | On_premises | IPv4 addresses, IPv4 ranges, IPv4 CIDR blocks, domains, HTTP and HTTPS URLs | Yes | 6.2 | ||
| 1 | Vornin | Yes | €99/mo | Cloud | Hostnames, IP addresses, IP ranges, URLs, web applications, APIs, networks, code repositories, containers, Kubernetes clusters, and cloud accounts | Yes | Yes | 9.4 |
| 2 | Intruder | Yes | Hybrid | external IP addresses, domains, subdomains, internal Windows/macOS/Linux devices, web applications, APIs, cloud environments, container images | Yes | Yes | 9.3 | |
| 3 | OpenVAS | Yes | On_premises | network services, servers, applications, endpoints, container images | Yes | Yes | 9.0 | |
| 4 | ConnectSecure | No | Hybrid | networks, endpoints, applications, websites, APIs, ports, cloud assets, Microsoft 365, Google Workspace, Active Directory, Entra ID, firewalls | Yes | Yes | 8.8 | |
| 5 | Rapid7 InsightVM | $1.62/mo | Hybrid | Yes | 8.7 | |||
| 6 | Holm Security Vulnerability Management | No | Hybrid | Yes | 8.6 | |||
| 7 | Qualys VMDR | No | Hybrid | routers, switches, firewalls, servers, workstations, databases, printers, wireless access devices, cloud assets, containers, mobile devices, OT and IoT assets | Yes | Yes | 8.5 | |
| 8 | Tenable Security Center | No | Yes | 8.4 | ||||
| 9 | Tenable One Vulnerability Management | No | $3,500/unit usage-based | Cloud | Yes | 8.3 | ||
| 10 | Vicarius vRx | No | Hybrid | 8.2 | ||||
| 11 | Pentest-Tools Network Vulnerability Scanner | Yes | $95/mo | Cloud | network hosts, hostnames, IP addresses, public-facing infrastructure, internal networks, private clouds | Yes | Yes | 8.1 |
| 12 | ManageEngine Vulnerability Manager Plus | Yes | $695/unit/yr | Hybrid | Yes | 8.0 | ||
| 13 | Amazon Inspector | No | Cloud | Amazon EC2 instances; Amazon ECR container images; AWS Lambda functions; code repositories; CI/CD container images; Microsoft Azure VMs; Azure Function Apps; Azure Container Registry images | Yes | 7.9 | ||
| 14 | Sirius | Yes | Free | On_premises | network infrastructure, hosts, cloud, agents | Yes | 7.8 | |
| 15 | NSAuditor AI | Yes | $470/device/yr | 7.7 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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