Security
CVE-2023-34455: snappy-java's Unchecked Chunk Length DoS
CVE-2023-34455 lets an attacker crash a JVM by feeding snappy-java a bogus chunk length. Here is the root cause, affected versions, and the fix.
Jun 26, 20265 min read
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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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Secrets detection and remediation best practices
Leaked API keys still cause breaches within minutes. Here's how secrets detection and remediation should work in practice, and where scanner-only tools fall short.
Jun 26, 20268 min read
Security
CVE-2023-42794: The Apache Tomcat Incomplete Cleanup DoS Explained
An unreleased refactoring in Tomcat's bundled Commons FileUpload left temp files undeleted on Windows, risking a disk-exhaustion DoS. Here is what CVE-2023-42794 is and how to fix it.
Jun 26, 20265 min read
Container Security
Kubernetes network policies for zero trust
Kubernetes network policies default to allow-all. Here is how default-deny rules, CNI enforcement, and policy testing build real zero-trust segmentation.
Jun 26, 20267 min read
DevSecOps
Setting JAVA_HOME on Ubuntu: A Step-by-Step Guide
How to set JAVA_HOME on Ubuntu correctly and permanently: find your JDK path, choose the right scope (user vs system), handle multiple JDKs with update-alternatives, and verify it stuck.
Jun 26, 20265 min read
AppSec
URL Scanner: How It Works and What to Use
A URL scanner checks a web address for danger before you visit or ship it — but 'URL scanner' covers two very different tools. Here is how each works and which one solves your problem.
Jun 25, 20266 min read
DevSecOps
node-sass Is End-of-Life: What That Means and How to Migrate to Dart Sass
node-sass reached end-of-life in 2024 and no longer receives updates or Node.js support. Here is why it was deprecated, what the risk is, and how to migrate to Dart Sass in an afternoon.
Jun 25, 20266 min read
Containers
k8s Pod Security Policy: Why It Was Removed and What Replaced It
The k8s Pod Security Policy was deprecated in 1.21 and removed in 1.25. Here is why it went away and how to migrate to Pod Security Admission and Standards.
Jun 25, 20265 min read
Security
CWE Meaning: What Common Weakness Enumeration Is and Why It Matters
The CWE meaning is simpler than it looks: a shared catalog of software weakness types. Here is how it differs from CVE and how to actually use it.
Jun 25, 20266 min read
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