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    CSTI Sentinel is completely FREE — no credit card required

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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.

    AI-Taught
    Lab-Proven
    AI-Proctored
    Employer-Verified

    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.

    FoundationFREE

    CSTI Sentinel

    Master the fundamentals of network defense, identity management, and core security principles.

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    Practitioner$297

    CSTI GridOps

    Architect and defend enterprise cloud infrastructure, containers, and zero trust networks.

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    Specialist$397

    CSTI ThreatOps

    Hunt threats, analyze malware, investigate incidents, and build intelligence-driven defense programs.

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    Specialist$397

    CSTI RedForce

    Master offensive security, penetration testing, exploit development, and adversary simulation techniques.

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    Expert$497

    CSTI ArchGuard

    Lead security programs, manage enterprise risk, design resilient architectures, and communicate with executive leadership.

    View Track

    A 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.

    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.

    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.

    The CSTI Advantage

    Compare our approach to traditional certification bodies.

    FeatureCSTITraditional (e.g. CompTIA)
    Exam CostFree (Sentinel track)$350+ (exam only)
    Retake Fees$0 (Unlimited retakes)$350+ per attempt
    Learning PlatformIncluded (AI + Labs)Paid separately ($500+)
    Live LabsBrowser-based, includedExpensive add-ons
    ProctoringOn-demand AIScheduled human proctor
    ResultsInstantUp to 5 days

    Simple, Transparent Pricing

    No hidden fees, no retake costs. Pay once, learn forever.

    Start Here — Free

    Sentinel (Foundation)

    FREE

    No credit card required

    Start with the foundational track — full AI tutor, labs, and unlimited retakes included.

    Start Free
    Best Value

    Full Stack Bundle

    $997

    one-time

    All 5 certification tracks with priority AI tutor and LinkedIn badges.

    Get the Bundle

    Enterprise

    Custom

    per org

    Volume licensing, admin dashboard, SSO, and dedicated support.

    Contact Sales

    Your 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