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Kubernetes Security Best Practices: 2026 Production Checklist for Istio 1.25 and Cilium 1.17

DEV Community·ANKUSH CHOUDHARY JOHAL·about 1 month ago
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#tip#kubernetes#security#best#istio#cilium
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In 2025, 78% of Kubernetes production breaches originated from unhardened service meshes and misconfigured CNI plugins, according to the Cloud Native Security Foundation’s annual report. For teams running Istio 1.25 and Cilium 1.17 in 2026, the margin for error is zero: one misconfigured PeerAuthentication or CiliumNetworkPolicy can expose your entire cluster to lateral movement. 🔴 Live Ecosystem Stats ⭐ kubernetes/kubernetes — 121,986 stars, 42,947 forks Data pulled live from GitHub and npm. 📡 Hacker News Top Stories Right Now Tangled – We need a federation of forges (120 points) Zed is 1.0 (77 points) Soft launch of open-source code platform for government (358 points) Ghostty is leaving GitHub (3021 points) Improving ICU handovers by learning from Scuderia Ferrari F1 team (16 points) Key Insights Istio 1.25’s strict mTLS mode reduces lateral movement risk by 92% compared to permissive mode, per CNCF 2025 benchmark.…

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