Safeguard
Topic

Container Security

In-depth guides and analysis on container security from the Safeguard engineering team.

284 articles

Container Security

K8s Admission Controllers for Supply Chain Policy

How to design Kubernetes admission controllers that enforce supply chain policy without turning every deploy into a 30-minute argument with the cluster.

Jan 13, 20266 min read
Container Security

Security best practices for Azure Container Apps and secr...

A step-by-step guide to Azure Container Apps security best practices: managed identity, Key Vault-backed secrets, network ingress, and supply chain hardening.

Jan 13, 20267 min read
Container Security

Docker Image Layer Security Analysis: What Lurks Beneath Your Containers

Every Docker image is a stack of layers, and each one can introduce vulnerabilities. Learn how to dissect image layers for security risks and what tools actually help.

Jan 13, 20267 min read
Container Security

Hardening Google Kubernetes Engine clusters against attacks

A step-by-step guide to GKE security best practices: private clusters, Workload Identity, Shielded Nodes, Binary Authorization, and verification checks for real audits.

Jan 13, 20267 min read
Container Security

Enforcing signed and attested container images with Binar...

A step-by-step guide to enforcing signed, attested container images in GKE with Binary Authorization — from attestor setup to policy enforcement and troubleshooting.

Jan 12, 20268 min read
Container Security

Docker Scout for Container Security Analysis: A Practical Guide

Docker Scout brings vulnerability scanning directly into the Docker CLI. Here is what it actually catches, where it falls short, and how to integrate it into your workflow.

Jan 11, 20266 min read
Container Security

How Container Threat Detection identifies runtime attacks...

How Container Threat Detection GCP watches GKE kernels for reverse shells, added binaries, and privilege escalation—and why runtime signals catch what image scanning can't.

Jan 10, 20266 min read
Container Security

Container Runtime Security Monitoring: Catching What Scanners Miss

Image scanning finds known vulnerabilities before deployment. Runtime monitoring catches actual exploitation, zero-days, and behavioral anomalies after deployment. You need both.

Jan 10, 20265 min read
Container Security

Comparing security models of GKE Autopilot versus Standar...

GKE Autopilot security vs Standard clusters draw the shared-responsibility line very differently. Here's what changes for pod security and hardening.

Jan 9, 20267 min read
Container Security

Implementing keyless container image signing with Cosign ...

A hands-on guide to Cosign keyless signing GCP setups with Sigstore, Workload Identity Federation, and Cloud Build — sign and verify images with no key management.

Jan 9, 20267 min read
Container Security

Scanning Oracle Cloud Infrastructure Registry images for ...

A step-by-step guide to OCIR vulnerability scanning: enabling OCI's Vulnerability Scanning Service, triggering push-time scans, triaging CVEs, and signing verified images.

Jan 9, 20268 min read
Container Security

Docker Container Escape Vulnerabilities: Techniques and Defenses

Containers are not VMs. When an attacker escapes a container, they own the host — and potentially every other container running on it. Here are the escape techniques you need to defend against.

Jan 8, 20266 min read

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Container Security (Page 23) — Supply Chain Security Blog | Safeguard