Tools
Kyverno vs OPA Gatekeeper: A Buyer Comparison for 2026
A practical comparison of Kyverno 1.13 and OPA Gatekeeper 3.18 for Kubernetes policy enforcement, covering language, performance, ecosystem, and operational fit.
Mar 4, 20266 min read
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
A practical comparison of Kyverno 1.13 and OPA Gatekeeper 3.18 for Kubernetes policy enforcement, covering language, performance, ecosystem, and operational fit.
A field guide to the admission control patterns that survived contact with production clusters: validating webhooks, image policy, mutating defaults, and what to skip.
How Safeguard's policy engine evaluates thousands of rules per artifact with predictable latency — the compiler, the cache layer, and the decision trail.
How to design Kubernetes admission controllers that enforce supply chain policy without turning every deploy into a 30-minute argument with the cluster.
Gatekeeper brings OPA's policy engine to Kubernetes. The learning curve is steep but the flexibility is unmatched. Here is how to write, test, and deploy Rego policies that enforce real security.
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