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eBPF + Cilium: Why Your Network Security is Broken (And How to Fix It)

Your Security is Slower Than Your Attacks

Sharon Sahadevan's avatar
Sharon Sahadevan
Aug 19, 2025
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The Problem: Your Security is Slower Than Your Attacks

Your Kubernetes cluster has 500 pods. Your iptables has 15,000 rules. Each packet takes 45ms to process.

Meanwhile, an attacker just moved laterally between your microservices in 2ms.

The math is simple: slow security = no security.

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