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
Resources
Supply Chain Security, in plain English.
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.
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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
SBOM
Trivy for SBOM Generation and Vulnerability Scanning
Trivy combines SBOM generation with vulnerability scanning in a single tool. Here's how to use both capabilities effectively.
Jan 13, 20266 min read
Vulnerability Analysis
OpenSSL punycode buffer overflow pair (CVE-2022-3602 / CVE-2022-3786)
A deep dive into CVE-2022-3602 and CVE-2022-3786, the OpenSSL punycode buffer overflow pair once dubbed "Heartbleed 2.0" — impact, timeline, and fixes.
Jan 13, 20265 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
Zero-Day Exploits
Zimbra CVE-2022-37042: Authentication Bypass in a Widely Used Email Platform
CVE-2022-37042 allowed unauthenticated attackers to upload web shells to Zimbra email servers. Over 1,000 servers were compromised before most admins knew about it.
Jan 13, 20266 min read
Software Supply Chain Security
pip Install Hooks Security Risks: Code Execution During Package Installation
Running pip install can execute arbitrary code on your machine before you ever import the package. Here is how install hooks create risk.
Jan 13, 20264 min read
Vulnerability Analysis
Outlook NTLM hash leak zero-day (CVE-2023-23397)
A zero-click Outlook flaw let attackers steal NTLM hashes via crafted calendar reminders — exploited by APT28 for a year before patching. Here's what to do.
Jan 13, 20267 min read
DevSecOps
Docker Security Best Practices for Developers
Practical Docker security from image building to runtime, covering multi-stage builds, user namespaces, and image scanning.
Jan 13, 20264 min read
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