dev.to· Oct 17, 2026· by divy8555

AsyncLocalStorage vs Scope.REQUEST in NestJS: Fixing a Multi-Tenant Data Leak Without Killing Performance

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A while ago in a high-scale multi-tenant B2B SaaS platform, we ran a high-concurrency benchmark...
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#architecture#backend#performance#security