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.
Latest modules
Most recent practitioner playbooks across every track. Filter by topic, level, or search in the sidebar.
Kerberos Delegation Abuse
Unconstrained, constrained, RBCD. S4U2Self + S4U2Proxy, MachineAccountQuota, PetitPotam coercion.
Hybrid AD — On-Prem Meets Cloud
Entra Connect crown jewel, Golden SAML, Azure AD attacks, AZUREADSSOACC$ legacy, PRT theft.
AD Detection — What Good Looks Like
Event IDs, Sigma rules, Defender for Identity, Sentinel KQL queries. From generic SIEM to mature AD detection.
Why AD Is Fragile by Design
AD's defaults accumulated risk for 20 years — authenticated-read-everything, NTLM, RC4, backwards compat.
AD Enumeration — Seeing Everything
BloodHound, SharpHound, Impacket, CrackMapExec, PowerView. Any authenticated user sees the whole directory.
BloodHound — Graph Theory Meets AD
Edges, queries, custom Cypher. Why BloodHound changed offensive AD since 2017.
The Network Is Never Flat
Segmentation on paper vs reality. Every network has exceptions attackers exploit for lateral movement.
Layer 2/3 Trust — ARP, DNS, LLMNR Poisoning
Responder, mitm6, NTLM relay. Protocols designed in 1990 still farming credentials in 2026.
Why Firewalls Miss Modern C2
HTTPS C2, DNS tunneling, DoH, domain fronting, living-off-the-cloud — attackers use permitted traffic for everything.
Why Kerberos Keeps Producing Attacks
Kerberoasting, AS-REP, Golden Tickets, Silver Tickets, delegation abuse. Not bugs — design features in a new threat model.
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.