Vulnerability Analysis
What is XML External Entity (XXE) Injection
XXE injection lets attackers abuse XML parsers to read files, trigger SSRF, or crash services. Here's how it works, real CVEs, and how to stop it.
Mar 30, 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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CVSS v4: What Changed and Why It Matters
CVSS v4 reworks how vulnerability severity is scored, dropping the confusing Scope metric and adding finer-grained inputs. Here is what actually changed from v3.1.
Mar 30, 20266 min read
SBOM
SBOM standards and formats compared (SPDX vs CycloneDX vs...
SPDX, CycloneDX, and Syft JSON aren't interchangeable. A concrete breakdown of what each format is for, where Anchore's Syft defaults, and how Safeguard handles both.
Mar 30, 20268 min read
Industry Analysis
Top Software Supply Chain Security Predictions 2026
A senior-engineer set of 2026 predictions for software supply chain security, grounded in current adoption curves, regulatory timelines, and attacker behavior.
Mar 30, 20268 min read
AppSec
URL Validation in JavaScript: Regex Patterns and Safer Options
URL validation regex in JavaScript is tempting but brittle. Here are patterns that work, the ones that cause ReDoS, and why the URL constructor is usually the better tool.
Mar 29, 20266 min read
AppSec
WAF SQL Injection Protection: What It Catches and What It Misses
A WAF can block many SQL injection attempts at the edge, but treating it as your only defense is how breaches happen. Here is what WAF SQL injection rules actually do.
Mar 29, 20265 min read
Security
How to Check a Website for Vulnerabilities: A Practical Guide
A hands-on walkthrough of how to check a website for vulnerabilities, from passive header checks to authenticated dynamic scanning, and how to read the results.
Mar 29, 20265 min read
DevSecOps
python-multipart Security: Patching the Form-Data DoS
Why the python-multipart parser behind FastAPI and Starlette had a denial-of-service flaw, how to check your version, and how to keep form uploads safe.
Mar 29, 20265 min read
AppSec
DAST Definition: What Dynamic Application Security Testing Means
The DAST definition in one line: testing a running application from the outside by sending real requests to find exploitable vulnerabilities. Here is what that means in practice.
Mar 29, 20266 min read
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