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Concepts

What Is Reachability Analysis in Security?

Reachability analysis determines whether a vulnerable piece of code can actually be executed from your application — cutting through the noise of vulnerabilities that exist but can never be triggered. Here's how it slashes false positives.

Jul 7, 20267 min read
Concepts

Data Flow Diagrams for Threat Modeling

A data flow diagram maps how data moves through a system and where trust changes — the foundation most threat modeling is built on. Here's how to draw one that actually surfaces threats.

Jul 6, 20267 min read
Concepts

Red Team vs Blue Team: What's the Difference?

The red team plays the attacker, probing for ways in. The blue team plays the defender, detecting and stopping them. One breaks; the other protects.

Jul 6, 20266 min read
Concepts

Understanding Open Source Security Risk

Open source powers nearly every modern application, but the code you inherit brings risks you did not write. This guide explains where open source risk comes from, how it reaches your product, and how to manage it without abandoning the ecosystem.

Jul 6, 20266 min read
Concepts

What Is a Security Advisory

A security advisory is an official notice that a product has a security flaw, plus how to fix it. Here is what advisories contain, who issues them, and how to act on one.

Jul 6, 20266 min read
Concepts

What Is ASPM (Application Security Posture Management)?

Application Security Posture Management (ASPM) unifies findings from every AppSec tool into one correlated, prioritized view of your risk. Here's what ASPM is, the tool-sprawl problem it solves, and how it differs from CSPM and ASOC.

Jul 6, 20266 min read
Concepts

What Is the in-toto Framework?

in-toto is a framework for cryptographically verifying that every step in a software supply chain was performed as planned by authorized parties. Here's how layouts, link metadata, and functionaries fit together.

Jul 6, 20266 min read
Concepts

False Positives vs False Negatives: What's the Difference?

A false positive flags something safe as dangerous. A false negative misses something dangerous entirely. One wastes your time; the other gets you breached.

Jul 5, 20266 min read
Concepts

Introduction to Secure Software Development

Security is not a phase you bolt on at the end — it is a set of practices woven through every stage of building software. This guide introduces the secure development lifecycle, the practices that matter at each stage, and how to get started.

Jul 5, 20266 min read
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