# TypeScript/JavaScript Security > This file extends [common/security.md](../common/security.md) with TypeScript/JavaScript specific content. ## Secret Management ```typescript // NEVER: Hardcoded secrets const apiKey = "sk-proj-xxxxx" // ALWAYS: Environment variables const apiKey = process.env.OPENAI_API_KEY if (!apiKey) { throw new Error('OPENAI_API_KEY not configured') } ``` ## Agent Support - Use **security-reviewer** skill for comprehensive security audits