Wolfi OS: The Linux Distribution Built for Secure Containers
Wolfi is not a general-purpose Linux distro. It exists to solve one problem: provide secure, minimal, up-to-date packages for container images. Here is why that matters and how to use it.
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.
Wolfi is not a general-purpose Linux distro. It exists to solve one problem: provide secure, minimal, up-to-date packages for container images. Here is why that matters and how to use it.
What changes in your software supply chain when you move from virtual machines to containers, and how to adapt governance, scanning, and provenance accordingly.
etcd encryption at rest finally works out of the box. The question is which provider you use, and the trade-offs have sharpened in 2024.
gVisor intercepts syscalls in userspace and implements a minimal kernel in Go. It is a genuinely different approach, with genuinely different trade-offs.
A hands-on tutorial for blocking unsigned container images at the Kubernetes admission layer using Cosign, Sigstore policy-controller, and keyless verification.
Your container runtime determines the strength of your isolation boundary. Here is an honest comparison of runc, gVisor, Kata Containers, and Firecracker from a security perspective.
SCCs predate Pod Security Admission by a decade and are more powerful. That power is also why OpenShift newcomers find them confusing.
Chainguard ships container images with zero known CVEs. That sounds like marketing until you understand how they build them. Here is the technical reality behind the claim.
Container escapes remain a real threat in multi-tenant environments. A look at the latest techniques, CVEs, and defenses as container security matures in 2023.
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