Hack The Box is an online platform that allows you to test your penetration testing and cybersecurity skills in a simulated environment.
Free/Paid
Best LetsDefend Alternatives ranked by AI · updated Aug 2026
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LetsDefend is an online blue-team training platform that simulates SOC analyst work through alerts, investigations, incident response, and practical labs. It is aimed primarily at aspiring and practicing defensive-security professionals who want repeatable SOC workflows.
Top 6 LetsDefend alternatives
Cyberbit provides enterprise cybersecurity training and cyber range software for security teams, educators, and public-sector organizations. Its standout capability is realistic, hands-on...
Pros
- Realistic SOC simulations with enterprise security tooling
- Supports team-based exercises and instructor-led training
- Suitable for measuring analyst performance and operational readiness
Cons
- Custom enterprise pricing is less accessible than self-service training platforms
- Requires more setup and training administration than browser-based labs
- May be excessive for individual learners or small teams
Custom pricing
TryHackMe is a browser-based cybersecurity training platform for beginners through advanced learners. Its guided rooms and interactive virtual labs teach networking, penetration...
Pros
- More interactive hands-on practice than CodeRed
- Clear learning paths for beginners and career switchers
- Browser-based labs require little local setup
Cons
- Some advanced content is less comprehensive than Hack The Box Academy
- Free access excludes many of the strongest rooms
- Guided exercises can provide less realism than independent lab environments
Freemium, Premium from about $10.75/mo billed annually
4
Immersive Labs
Immersive
Immersive Labs is a cyber workforce resilience platform for enterprises, governments, and security teams. It combines hands-on labs, skills assessments, exercises, and...
Pros
- Broader skills assessment and workforce analytics than many cyber ranges
- Large library covering technical and nontechnical cyber capabilities
- Supports continuous testing rather than only scheduled simulations
Cons
- Less centered on full-fidelity SOC simulation than Cyberbit
- Enterprise licensing can be expensive and opaque
- Content depth varies across cybersecurity specialties
Custom pricing
5
RangeForce
RangeForce
RangeForce provides hands-on cybersecurity training and cyber range environments for security teams, educators, and public-sector organizations. Its platform emphasizes interactive labs, team...
Pros
- Strong defensive-security and SOC training focus
- Offers modular labs alongside larger team exercises
- More flexible for recurring skills practice than one-off simulations
Cons
- Scenario realism and tooling integrations may vary by exercise
- Enterprise pricing is not publicly transparent
- Less recognized for individual self-paced learning than TryHackMe or Hack The Box
Custom pricing
6
SimSpace
SimSpace
SimSpace delivers cyber range infrastructure and cybersecurity exercises for enterprises, governments, and defense organizations. It specializes in high-fidelity environments for validating people,...
Pros
- Strong high-fidelity cyber range and exercise capabilities
- Useful for testing security controls as well as personnel
- Designed for large-scale enterprise, government, and defense programs
Cons
- Heavier and more expensive to deploy than self-service training platforms
- Less suitable for casual or individual learners
- May require substantial exercise planning and technical integration
Custom pricing
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