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Concepts

What Is the GPL License? Copyleft Explained

The GNU General Public License is the best-known copyleft license. This guide explains what it permits, its source-disclosure obligations, GPLv2 vs GPLv3, and what it means for your project.

Jul 2, 20267 min read
Concepts

What Is the BSD License? 2-Clause vs 3-Clause Explained

The BSD licenses are a family of short, permissive licenses. This guide explains the 2-clause and 3-clause variants, what each permits, and what they mean for compliance.

Jul 2, 20266 min read
Vulnerability Guides

What Is SSTI (Server-Side Template Injection)?

SSTI happens when user input is compiled as template code instead of rendered as data, often leading straight to remote code execution. Here is how to prevent it.

Jul 2, 20265 min read
FAQ

What Is Safeguard? Common Questions Answered

A beginner-friendly FAQ explaining what Safeguard is, who it is for, what it protects against, and how it compares to the tools teams already use.

Jul 2, 20264 min read
Threat Research

What Is Protestware? When Maintainers Weaponize Their Own Packages

Protestware is open-source code a maintainer deliberately alters to make a political or personal statement, sometimes sabotaging users. Here is how it works and how to defend.

Jul 2, 20266 min read
Concepts

What Is Malware? Types and How It Spreads

Malware is any software built to do harm, from stealing data to locking up your files. Here's a beginner-friendly tour of the main types and how it gets in.

Jul 2, 20266 min read
Vulnerability Guides

What is Insecure Deserialization? A Developer's Guide

Insecure deserialization turns a trusted data-loading routine into a remote code execution primitive. Learn how gadget chains work and how to deserialize untrusted data safely.

Jul 2, 20265 min read
Concepts

What Is Defense in Depth in Security?

Defense in depth is a layered security strategy that assumes any single control will eventually fail, so it stacks independent safeguards to slow and stop attackers. Here's how the model works and how it maps to the software supply chain.

Jul 2, 20266 min read
Security Guides

Vue Security Best Practices: v-html, Dynamic Components, and SSR

Vue escapes mustache templates automatically, but v-html, dynamic component names, and SSR hydration open real XSS holes. Here is how to close them.

Jul 2, 20265 min read

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