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.
Advanced · modules
Modules tagged Advanced. Use the sidebar to narrow by track or topic.
Business Logic — Where Scanners Fail
Business logic bugs are legal sequences of actions producing illegal outcomes. Understand the product to find them.
Why SSRF Is Still Critical in 2026
Every URL parameter where the server fetches. Cloud metadata turned SSRF from inconvenience to catastrophe.
Why XSS Persists — Context Is Everything
Framework defaults cover one HTML context. Every other context — URL, CSS, JSON-in-script — is fresh attack surface.
Microsoft 365 Security
Exchange + SharePoint + Teams + Power Platform hardening, Defender stack, Purview, IR in M365.
GCP Advanced — VPC-SC, WIF, Confidential Computing
VPC Service Controls, Workload Identity Federation, BeyondCorp, Confidential VMs, Assured Workloads, EKM.
BGP Security and RPKI — How the Internet Trusts Itself, and Why It Sometimes Should Not
BGP is the routing protocol of the Internet — every ISP, hyperscaler, and large enterprise speaks it. It assumes good behaviour by every participant; that assumption fails several times a year, and we get prefix hijacks, route leaks, and accidental outages. RPKI cryptographically
Third-Party Risk Management
Vendor classification, assessment workflow, contractual provisions, continuous monitoring, India-specific regulations.
Internal Audit Programme
Independence, audit lifecycle, sampling, common audit areas, severity calibration, follow-through metrics.
Secrets Management at Scale
Vault, dynamic secrets, rotation strategies, CI/CD secrets, leak detection, multi-environment isolation, audit.
Rate Limiting & API Abuse Prevention
Algorithms (token bucket, sliding window), enforcement layers, Redis Lua patterns, abuse patterns and defenses.
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.