Security Scenario Generator (SecGen) is a free cyber range training tool. SudoCyber is a commercial cyber range training tool by SudoCyber. Compare features, ratings, integrations, and community reviews side by side to find the best cyber range training fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Security teams building internal cyber ranges or running capture-the-flag training programs should use Security Scenario Generator because it eliminates the manual work of building vulnerable VMs from scratch; the open-source framework auto-generates realistic hacking scenarios that force defenders to actually practice exploitation and remediation instead of passively watching videos. With 2,749 GitHub stars and active community contribution, you're getting a tool that's actively maintained and battle-tested by university security programs and smaller penetration testing shops. Skip this if your org needs managed infrastructure, instructor dashboards, or compliance reporting tied to individual training completions; SecGen requires hands-on technical administration to operate effectively.
Security teams building a cybersecurity workforce from scratch should choose SudoCyber for its hands-on lab environment that actually forces people to break things and fix them, not just click through modules. The platform covers CompTIA Security+, Network+, and CEH certifications while offering Capture the Flag competitions that make training stick better than passive content; it directly strengthens NIST CSF 2.0's Awareness and Training function. Skip this if your org needs enterprise-scale role-based learning paths or integration with your existing LMS; SudoCyber's strength is depth in technical skills for smaller teams, not breadth across hundreds of users with different compliance requirements.
SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training.
Gamified cybersecurity training platform with hands-on labs and certifications
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Common questions about comparing Security Scenario Generator (SecGen) vs SudoCyber for your cyber range training needs.
Security Scenario Generator (SecGen): SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training..
SudoCyber: Gamified cybersecurity training platform with hands-on labs and certifications. built by SudoCyber. headquartered in United Kingdom. Core capabilities include Self-paced learning through SudoRange environment, Hands-on cybersecurity labs, Capture the Flag competitions (remote and in-person)..
Both serve the Cyber Range Training market but differ in approach, feature depth, and target audience.
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