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When one PostgreSQL box stops keeping up, scale reads horizontally. Add streaming replicas, route reads with a Django database router, pool connections through PgBouncer, and handle replication lag without serving stale data.
Serve many customers from one Django codebase without leaking data between them. Compare shared-schema, schema-per-tenant, and database-per-tenant; implement tenant routing middleware; and lock down the query layer.
Build a typed GraphQL API on Django with Strawberry. Design a clean schema, batch nested resolvers with DataLoaders to eliminate N+1, paginate with Relay connections, and secure against query-depth abuse.
Go past the quickstart. Architect DRF for production: routed ViewSets, serializer query optimization, custom throttling, atomic nested writes, and versioning that survives breaking changes.
From the first alert through containment, eradication, forensics, and post-incident review — a structured playbook for handling web app breaches.
How professional adversary simulation operates against web applications — initial access via phishing, persistence inside accounts, lateral movement through connected systems.
How authentication actually breaks in modern web apps — session theft, JWT confusion, OAuth flaws, SSO race conditions, and the controls that actually work.
Beyond nmap and dirbuster: how modern attackers map a target's web attack surface using JavaScript analysis, subdomain enumeration, and API discovery.
How WAFs work, the classes of bypass techniques attackers use, and the defensive controls that don't rely solely on signature matching.
SSRF chains, deserialization, prototype pollution, CSPP, race conditions, and the subtle bugs that get past automated scanners. With Django-specific exploitation and defense.
A deep technical tour of the actual surface attackers probe in modern web apps — protocol quirks, header semantics, cookie behaviors, and the bugs they enable.
What happens to your users' data after a web app is breached — the marketplaces, the buyers, the resale economy, and what you can do about it.
These tutorials are written from real production work, and the best ideas come from readers. Got a suggestion, a correction, or a subject you keep searching for and never find properly explained? Tell us — we read every message, and requested topics move to the front of the queue.
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