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.
Attacker Mindset — Cloud · modules
Shared responsibility reality, IAM sprawl, metadata endpoints, K8s + serverless + supply chain, data exposure, cloud-specific detection.
Module 1 · The Shared Responsibility Illusion
Cloud providers secure infrastructure; customers secure configuration. Every breach happens on customer side.
Module 2 · Cloud IAM — Where Most Breaches Live
Wildcard permissions, iam:PassRole privesc, cross-account trust, Pacu, PMapper. IAM is the hardest part of cloud security.
Module 3 · Metadata Endpoints — Still the Killer Chain
169.254.169.254, Capital One, IMDSv1 vs v2, container metadata, K8s service accounts. SSRF → cloud takeover.
Module 4 · Cross-Account Trust Attacks
Overly broad Principal, confused deputy, External ID, Azure Lighthouse. MSSP compromise cascades.
Module 5 · Kubernetes — The Platform That Multiplies Attack Surface
Pod → node → cluster, service account tokens, RBAC paths, exposed kubelet/etcd. kube-hunter, peirates.
Module 6 · Serverless — New Surface, Not Smaller Surface
Lambda role credential theft, event source injection, dep vulns, supply chain. Serverless shifts attack surface.
Module 7 · Cloud Supply Chain — CI to Production
Codecov, CircleCI, SolarWinds patterns in cloud. OIDC federation, least-priv deploy roles, pinned artifacts.
Module 8 · Public Data Stores — The Classic
Public S3, open GCS, anonymous Azure Blob. Continues in 2026 despite a decade of awareness.
Module 9 · Cloud Detection — Different Telemetry, Different Rules
CloudTrail, Activity Log, Audit Log. Identity-first detection. GuardDuty/Defender/SCC. Maturity model.
Module 10 · Multi-Cloud — The Complexity Tax
Per-cloud skill, divergent defaults, N × CSPM. Multi-cloud without investment = weaker overall security.
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.
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