Cybersecurity, learned like a practitioner.
24 learning paths · 398 modules live · every lesson written by someone who has shipped the control or run the engagement. Free to start.
Cryptography & PKI · modules
Modern crypto primitives, TLS, PKI architecture, secrets management at scale.
Quantum-Safe Cryptography Readiness
ML-KEM, ML-DSA, SLH-DSA — what NIST PQC standards mean for 2026 organisations, harvest-now-decrypt-later threat, crypto-agility, hybrid TLS, migration roadmap for Indian banks.
Module 1 · Modern Cryptography Fundamentals
Symmetric, asymmetric, hashing, MACs, password hashing, RNG, libsodium, post-quantum status, the cardinal rule.
Module 2 · TLS in Practice
TLS 1.2/1.3, cipher suites, handshake, certificate validation, HSTS, CT, common misconfigurations, testing with testssl.sh.
Module 3 · PKI Architecture
CAs, cert types, ACME, lifecycle, revocation, internal PKI, service mesh PKI, code signing, lifetime trends.
Module 4 · Secrets Management at Scale
Vault, dynamic secrets, rotation strategies, CI/CD secrets, leak detection, multi-environment isolation, audit.
Practitioners who've
shipped the controls.
Every module is written by someone who has built the defence or run the engagement. No repackaged tutorials, no generic theory.
Why learn here
Practitioner-written.
Each lesson is authored by someone who has shipped the control or run the engagement in production.
Quiz after every module.
20+ questions with explanations. 70%+ to mark complete. Unlimited retries.
Progress tracked.
Completions, scores and streaks saved automatically. Resume exactly where you left off.
India-priced.
Start free. ₹499/mo for intermediate. ₹4,999/yr for advanced. No hidden fees, ever.