> About Command Zero
Free cybersecurity certification training for professionals ready to advance their careers.
Our Mission
Command Zero was built with one goal: make cybersecurity certification training accessible to everyone. The security industry needs more qualified professionals, but certification prep courses can cost hundreds or thousands of dollars.
We believe that cost shouldn't be a barrier to entering the cybersecurity field. Our platform provides free access to practice questions, progress tracking, and study tools—everything you need to prepare for your certification exams.
> What We Offer
Comprehensive Question Banks
Access thousands of practice questions covering Security+, CISSP, and more certifications. Each question includes detailed explanations.
Domain-Focused Study
Target specific certification domains to strengthen weak areas. Track your progress across all topics.
Multiple Study Modes
Practice with Study Mode for learning, Exam Mode for timed simulations, or Mistake Review to master difficult concepts.
Progress Tracking
Monitor your improvement over time with detailed analytics. See accuracy rates, completion stats, and performance trends.
> Why Command Zero
Accessible Education
Quality cybersecurity training should be available to everyone. Our free tier provides full access to practice questions and progress tracking.
Professional Focus
Built for working professionals and career changers. Study on your schedule with mobile-friendly quizzes you can take anywhere.
Effective Learning
Our quiz-based approach reinforces knowledge through active recall. Learn from mistakes with detailed explanations for every question.
> Certifications
CompTIA Security+
Entry-level certification covering network security, compliance, threats, and vulnerabilities.
CISSP
Advanced certification for experienced security professionals covering eight security domains.
More certifications coming soon.
Get in Touch
Have questions, feedback, or suggestions? We'd love to hear from you.
support@commandzero.dev