Container isolation with namespaces, cgroups, and seccomp
Namespaces, cgroups, and seccomp each isolate a different layer of a container — and a single misconfigured one, like CVE-2024-21626 showed, breaks all three.
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.
Namespaces, cgroups, and seccomp each isolate a different layer of a container — and a single misconfigured one, like CVE-2024-21626 showed, breaks all three.
Both Prisma Cloud and Wiz have expanded into supply chain territory from cloud security origins. A head-to-head on what each actually delivers on the supply chain dimension.
A breakdown of Kubernetes' Privileged, Baseline, and Restricted Pod Security Standards, how they replaced PodSecurityPolicy, and where enforcement typically fails.
A field-by-field guide to Kubernetes securityContext: which settings stop container breakouts, how to enforce them cluster-wide, and how to audit gaps.
RBAC drift and over-broad bindings are the top cause of Kubernetes lateral movement. Six concrete, question-first practices to lock down access before it's exploited.
Kubernetes network policies default to allow-all. Here is how default-deny rules, CNI enforcement, and policy testing build real zero-trust segmentation.
Base64 isn't encryption. Here's how Kubernetes Secrets actually get exposed, and the encryption, RBAC, and rotation controls that fix it.
How Kubernetes admission controllers work, why defaults leave clusters exposed, and how Pod Security Admission, OPA Gatekeeper, and Kyverno close the gap.
The 2019 CNCF Kubernetes security audit found 37 issues rooted in insecure defaults. Here's what it uncovered and what still applies today.
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