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.
Expert · modules
Modules tagged Expert. Use the sidebar to narrow by track or topic.
AD Detection — What Good Looks Like
Event IDs, Sigma rules, Defender for Identity, Sentinel KQL queries. From generic SIEM to mature AD detection.
Why Network Detection Underperforms
Encrypted traffic, volume overload, alert fatigue. Why attacker dwell time is weeks to months on average.
The Framework-Assumption Gap
'The framework handles it' is the most dangerous phrase in modern web security. Escape hatches, third-party integrations, and non-REST transports.
Insecure Deserialization
Java/.NET/Python/PHP/Ruby deserialization vulns, gadget chains, ysoserial, signed-data defense.
Race Conditions in Web Apps
TOCTOU, single-packet attacks, where races hide, Burp testing, transactional + idempotency-key defenses.
Prototype Pollution
JS prototype model, pollution sources, attack vectors (auth bypass, RCE chains), Object.create(null) defense.
Hybrid AD & ADFS Attack Surface
Entra Connect crown jewel, ADFS Golden SAML, PHS attacks, on-prem ↔ cloud lateral movement, Tier 0 isolation.
HTTP Request Smuggling
CL.TE / TE.CL / TE.TE, HTTP/2 downgrade smuggling, exploitation impacts, detection via timing, defenses.
API Gateways & Zero-Trust at Scale
Kong, Apigee, AWS API Gateway, service mesh (Istio, Linkerd), zero-trust architecture, observability stack.
IoT/OT Lab Walkthrough
Build a small ICS lab with OpenPLC, ScadaBR, run a complete assessment cycle, hardening, detection.
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.
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Start free. ₹499/mo for intermediate. ₹4,999/yr for advanced. No hidden fees, ever.