AppSec
SAST and DAST Full Form: What the Acronyms Actually Mean
The SAST and DAST full form is Static and Dynamic Application Security Testing. Here is what each one does, where they differ, and when to use both.
Apr 15, 20266 min read
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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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What Is vm2? The Node.js Sandbox and Its Security History
vm2 was the most popular way to run untrusted JavaScript inside Node.js — until a string of sandbox-escape CVEs and its 2023 deprecation showed why sandboxing a dynamic language is so hard to get right.
Apr 15, 20266 min read
AppSec
Stored XSS Explained: A Security Guide
Stored XSS is the persistent, high-impact form of cross-site scripting where a malicious script is saved server-side and served to every visitor. Here is how to detect and stop it.
Apr 15, 20266 min read
AppSec
X.509 Certificates in .NET: System.Security.Cryptography Explained
A practitioner's tour of System.Security.Cryptography.X509Certificates: loading certs safely on modern .NET, chain validation, stores, and the mistakes that quietly disable TLS security.
Apr 15, 20267 min read
AppSec
Why We Use CORS in Node.js: Configuration Without the Foot-Guns
Understanding why we use CORS in Node.js starts with what it is not: CORS is a browser relaxation mechanism, not a security wall. Here is how to configure it in Express without the classic misconfigurations.
Apr 13, 20267 min read
AppSec
GitLab IaC Scanning: How to Catch Misconfigured Infrastructure
GitLab IaC scanning checks Terraform, Kubernetes, and CloudFormation for insecure settings before they deploy. Here is how to turn it on and make the results actionable.
Apr 13, 20265 min read
AppSec
AppSec Vulnerability Management: A Workflow Guide
A step-by-step appsec vulnerability management workflow for teams drowning in scanner output — from intake and triage through prioritization, remediation, and verification.
Apr 13, 20265 min read
AppSec
Secure Code Review: A Practical Checklist
Secure code reviews catch a different category of bug than functional code review, and having a repeatable checklist keeps reviewers from relying on memory for the same handful of recurring flaws.
Apr 13, 20265 min read
AppSec
Mobile Security Testing for iOS and Android Apps
Mobile apps fail in ways web apps don't — insecure local storage, weak certificate pinning, reverse-engineerable binaries — and testing them requires methods most web-focused AppSec programs never built.
Apr 13, 20266 min read
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