In 2024, 68% of production data breaches targeting streaming and RPC systems exploited misconfigured transport security, not application logic flaws—yet most teams still choose gRPC or Kafka without auditing their internal security and performance tradeoffs. 📡 Hacker News Top Stories Right Now Dirtyfrag: Universal Linux LPE (353 points) Canvas (Instructure) LMS Down in Ongoing Ransomware Attack (92 points) Maybe you shouldn't install new software for a bit (42 points) The Burning Man MOOP Map (513 points) Agents need control flow, not more prompts (298 points) Key Insights gRPC with TLS 1.3 achieves 12μs tail latency for 1KB payloads, 4x faster than Kafka's 48μs with the same security config (benchmarked on gRPC 1.60.0, Kafka 3.6.0) Kafka's mutual TLS (mTLS) handshake overhead adds 22ms per connection vs gRPC's 18ms, but Kafka's session reuse reduces this to 2ms for long-lived producers Self-managed Kafka clusters spend $14k/year more on security tooling than gRPC-based deployments for equivalent compliance…