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 runc, crun, and gVisor across performance, isolation, and operational fit, with concrete guidance on when each runtime earns its place in production.
A practical comparison of Firecracker, Cloud Hypervisor, and Kata Containers across boot time, memory overhead, security boundary, and operational fit for serverless and multi-tenant workloads.
Where the OCI and CNCF image supply chain ecosystem actually sits in 2026, what has stabilized, what is still contested, and what to deploy now versus later.
Kubernetes 1.27 graduated seccomp default, introduced in-place pod resize, and cleaned up admission. Here is what actually matters for cluster security.
A golden image is the hardened template every server and container is cloned from — powerful for consistency, dangerous when it goes stale. Here's how to secure it.
Container image signing binds a cryptographic signature to an image's digest so you can prove what's running is what was actually built — not just scanned.
Distroless images remove the shell, package manager, and everything else an attacker needs post-exploitation. Here is how to use them, what breaks, and whether the security tradeoff is worth it.
Admission control is the last checkpoint in Kubernetes before an object is written to etcd — here's how webhooks, PSA, and policy engines enforce it.
How the Sigstore Policy Controller actually runs in production, what it does better than Kyverno, and the operational pitfalls nobody mentions in the quickstart.
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