Signing and verifying container images with Sigstore/cosign
How cosign and Sigstore replace long-lived signing keys with short-lived, identity-based certificates and a public transparency log for containers.
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.
How cosign and Sigstore replace long-lived signing keys with short-lived, identity-based certificates and a public transparency log for containers.
Cryptomining malware like Kinsing and TeamTNT quietly hijacks container CPU cycles to mine Monero. Here's how it gets in, how to spot it, and how to stop it.
A technical breakdown of EKS, GKE, and AKS security: default hardening gaps, IAM models, real CVEs, and audit logging differences teams must know.
Kubernetes Operators run with elevated, cluster-wide privilege by design. IngressNightmare, Argo CD, and cert-manager CVEs show what happens when that trust is abused.
A concrete breakdown of how OCI image vulnerability scanning works, where scanners miss real risk, and how to build a scan workflow that doesn't drown teams in noise.
Container escape vulnerabilities let attackers break out of isolation and reach the host kernel. Here's how CVE-2024-21626 and CVE-2019-5736 actually work.
Docker Hub's open upload model has enabled real cryptojacking and phishing campaigns — here's how attackers hide malware in images and how to detect them.
No SSH, no DaemonSets, no host agents. Here's how Firecracker and gVisor isolation change container security on Fargate and Cloud Run — and what still gets you breached.
Base images inherit hundreds of OS-level CVEs your app never touches. Here's how reachability analysis and minimal bases cut real risk, not just counts.
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