Redis Security Production hardening for Redis: authentication, ACL-based access control, and network exposure. Cover all three together — any one of them on its own leaves an exploitable gap. When to apply - Deploying or reviewing a Redis instance destined for production. - Setting up application credentials beyond a shared password. - Auditing a Redis deployment against a security checklist. - Receiving "Redis exposed to the internet" findings from a scanner. 1. Always authenticate (and use TLS) Never run a production Redis without a password. Pair authentication with TLS so credentials and…