ImmuniWeb® On-Demand vs tcpkill: side-by-side comparison (2026)
ImmuniWeb® On-Demand is a commercial penetration testing solution by ImmuniWeb. tcpkill is a free penetration testing solution. Features, integrations, deployment and the company behind each one, side by side.
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ImmuniWeb® On-Demand is a web application penetration testing platform that combines AI-powered automation with manual security testing to provide comprehensive vulnerability assessments and compliance reporting.
A Linux command-line tool that allows you to kill in-progress TCP connections based on a filter expression, useful for libnids-based applications that require a full TCP 3-way handshake for TCB creation.
Side-by-side comparison
Feature
ImmuniWeb® On-Demand
tcpkill
Pricing model
Commercial
Free
Category
Penetration Testing
Penetration Testing
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
ImmuniWeb
–
Use cases and capabilities
DevSecOps
Yes
No
OWASP
Yes
No
Network Administration
No
Yes
TCP
No
Yes
Core features
10 features listed
No features listed
Integrations
17 integrations listed
No integrations listed
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