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Buyer's Guides

The Best Open Source Security Tools in 2026

You can build a capable security program from free tools. This balanced guide compares Trivy, Grype and Syft, OSV-Scanner, OWASP Dependency-Check, and Dependency-Track — and is honest about when a commercial platform earns its cost.

Jul 7, 20266 min read
Vulnerability Analysis

Barracuda ESG CVE-2023-2868 Explained: The Command Injection That Ended in Hardware Replacement

CVE-2023-2868 is a command injection in the Barracuda Email Security Gateway, exploited as a zero-day by UNC4841 for months. Rated CVSS 9.8, it ended with Barracuda advising physical appliance replacement.

Jul 7, 20266 min read
Security Guides

Axios Security Guide (2026)

Axios is the most popular HTTP client in the JavaScript ecosystem — and its SSRF and credential-leak CVEs make its version and configuration security-relevant. Here is how to run it safely.

Jul 7, 20266 min read
Cloud Security

AWS S3 Bucket Security: The Complete 2026 Guide

S3 is the single most common source of cloud data leaks. This guide covers block public access, encryption, bucket policies, and how to enforce all three in Terraform.

Jul 7, 20265 min read
FAQ

Auto-Fix Vulnerabilities FAQ: Patching Code and Containers Automatically

How automated vulnerability fixing works across source code and container images — direct and transitive dependencies, breaking-change safety, and where human review belongs.

Jul 7, 20265 min read
Security Guides

Preventing CSRF and XSS in ASP.NET Core

How CSRF and XSS actually work against ASP.NET Core apps, and the concrete defenses, antiforgery tokens, Razor output encoding, CSP, and SameSite cookies, that shut them down.

Jul 7, 20266 min read
Concepts

Agent-Based vs Agentless Scanning: What's the Difference?

Agent-based scanning installs software on each system to watch it from the inside. Agentless scanning inspects from the outside with no installation. One sees deeper; the other deploys faster.

Jul 7, 20266 min read
FAQ

Affordable SCA Tool FAQ: Real Software Composition Analysis from $0

How to get affordable software composition analysis in 2026: what SCA should cost, why free scanners aren't really free, and how Safeguard's Free and $9 Starter plans deliver real SCA.

Jul 7, 20266 min read
Cloud Security

Why You Need a Kubernetes Admission Controller

RBAC decides who can call the Kubernetes API — it has no concept of what a pod spec contains, which is why privileged containers still slip through into clusters every day.

Jul 7, 20266 min read

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