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Start with CSTI Sentinel — a full cybersecurity certification with AI tutoring, live labs, and unlimited retakes. 100% free, forever. No credit card required.
Why CSTI Is Different
Six pillars that make our platform the most advanced cybersecurity training system available.
Adaptive AI Tutor
Our AI analyzes your strengths and weaknesses in real-time, dynamically adjusting lesson content and difficulty to maximize learning efficiency.
Browser-Based Labs
Launch real security environments directly in your browser. No VM downloads, no configuration headaches — just hands-on practice in seconds.
ProctorAI System
Take your certification exam anytime, anywhere. Our AI proctoring ensures integrity without the hassle of scheduling human proctors.
Unlimited Retakes
Failed an attempt? No problem — and no extra cost. Retake your exam as many times as needed. We believe in learning, not penalizing.
Domain Analytics
Get granular breakdowns of your competency across every certification domain. Track progress, identify gaps, and focus your study time.
Employer Verification
Every certificate comes with a unique verification URL. Hiring managers can see domain scores, lab hours, and competency breakdowns.
The CSTI Track
Five specialized certifications designed to take you from foundational knowledge to expert-level architecture.
CSTI Sentinel
Master the fundamentals of network defense, identity management, and core security principles.
View TrackCSTI GridOps
Architect and defend enterprise cloud infrastructure, containers, and zero trust networks.
View TrackCSTI ThreatOps
Hunt threats, analyze malware, investigate incidents, and build intelligence-driven defense programs.
View TrackCSTI RedForce
Master offensive security, penetration testing, exploit development, and adversary simulation techniques.
View TrackCSTI ArchGuard
Lead security programs, manage enterprise risk, design resilient architectures, and communicate with executive leadership.
View TrackA Better Way to Certify
Traditional certs are expensive, outdated, and rely on rote memorization. We built a modern approach focused on actual capability.
1. AI Diagnoses Your Gaps
Take a smart diagnostic test. Our AI analyzes your strengths and builds a personalized learning path, skipping what you already know.
1. AI Diagnoses Your Gaps
Take a smart diagnostic test. Our AI analyzes your strengths and builds a personalized learning path, skipping what you already know.
2. Adaptive Lessons & Live Labs
Learn through interactive text, video, and browser-based lab environments. Your AI tutor is available 24/7 to explain complex concepts.
2. Adaptive Lessons & Live Labs
Learn through interactive text, video, and browser-based lab environments. Your AI tutor is available 24/7 to explain complex concepts.
3. Unlimited Practice Exams
Don't pay for practice tests. Generate unlimited, dynamic practice exams tailored to the domains where you need the most improvement.
3. Unlimited Practice Exams
Don't pay for practice tests. Generate unlimited, dynamic practice exams tailored to the domains where you need the most improvement.
4. AI-Proctored Cert Exam
Take your final exam anytime, anywhere. Our ProctorAI system ensures integrity without the hassle of scheduling human proctors.
4. AI-Proctored Cert Exam
Take your final exam anytime, anywhere. Our ProctorAI system ensures integrity without the hassle of scheduling human proctors.
5. Instant Cert + Employer Portal
Get your digital badge instantly. Employers can verify your credentials, lab hours, and domain competencies via a unique URL.
5. Instant Cert + Employer Portal
Get your digital badge instantly. Employers can verify your credentials, lab hours, and domain competencies via a unique URL.
The CSTI Advantage
Compare our approach to traditional certification bodies.
| Feature | CSTI | Traditional (e.g. CompTIA) |
|---|---|---|
| Exam Cost | Free (Sentinel track) | $350+ (exam only) |
| Retake Fees | $0 (Unlimited retakes) | $350+ per attempt |
| Learning Platform | Included (AI + Labs) | Paid separately ($500+) |
| Live Labs | Browser-based, included | Expensive add-ons |
| Proctoring | On-demand AI | Scheduled human proctor |
| Results | Instant | Up to 5 days |
Simple, Transparent Pricing
No hidden fees, no retake costs. Pay once, learn forever.
Sentinel (Foundation)
No credit card required
Start with the foundational track — full AI tutor, labs, and unlimited retakes included.
Start FreeFull Stack Bundle
one-time
All 5 certification tracks with priority AI tutor and LinkedIn badges.
Get the BundleYour cert should mean something.
Join thousands of professionals upgrading their skills with the most advanced training platform in cybersecurity.Start with Sentinel — it's completely free.
Start Free with Sentinel