Tagged Archive

#multi-tenant

Showing all technical guides, benchmarks, and architectural writeups tagged with #multi-tenant.

3 Articles Found

security Nov 2, 2026

JWT Revocation & Session Invalidation at Scale: Defending Multi-Tenant SaaS Against Stale Refresh Token Replays

Why stateless JWT verification fails when permissions change or users are offboarded, and how to implement zero-latency token revocation in PostgreSQL and Redis.

#security #jwt #auth #postgres #redis #architecture #multi-tenant

By Marcus Vance Read guide →

security Oct 24, 2026

Next.js Server Actions in Multi-Tenant Apps: Preventing Accidental Data Leakage Across Customer Workspaces

Why singleton module-level database clients and unauthenticated Server Actions cause catastrophic cross-tenant data leakage in Next.js App Router, and how to enforce tamper-proof request boundaries.

#nextjs #security #multi-tenant #server-actions #architecture #rsc

By Marcus Vance Read guide →

architecture Oct 13, 2026

PostgreSQL Row-Level Security (RLS) Pitfalls: Why Multi-Tenant Queries Slow Down by 10x

A battle-tested analysis of query execution plan degradation, per-row subquery evaluation, and how to optimize PostgreSQL Row-Level Security without sacrificing multi-tenant isolation.

#postgres #rls #supabase #database #multi-tenant #performance

By Marcus Vance Read guide →

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