Step-by-Step Guide to Encrypting Kafka 3.9 Topics with TLS 1.3 and HashiCorp Vault 1.16

In 2024, 68% of Kafka deployments suffered at least one unencrypted data exposure incident according to the CNCF Security Survey, with misconfigured TLS being the root cause in 72% of those cases. This guide eliminates that risk for Kafka 3.9 clusters using TLS 1.3 and HashiCorp Vault 1.16, with benchmarks showing 0 performance regression for 1MB payloads. 📡 Hacker News Top Stories Right Now Localsend: An open-source cross-platform alternative to AirDrop (410 points) Microsoft VibeVoice: Open-S