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Security Blog

Practical security advice and best practices for small business owners.

Web Security2026-05-10

What Are Security Headers and Why Do They Matter?

Learn about CSP, HSTS, X-Frame-Options, and other essential HTTP security headers that protect your website and visitors.

Email Security2026-05-05

A Small Business Guide to Email Security: SPF, DKIM, and DMARC

Understanding the three pillars of email authentication and how they prevent phishing and spoofing attacks.

Web Security2026-04-28

Why HTTPS Is Non-Negotiable in 2026

HTTPS is no longer optional. Discover why SSL/TLS certificates are essential for trust, SEO, and security.

Security Basics2026-04-20

What Is a Website Trust Score and How Is It Calculated?

Understanding website trust scores: what factors influence them and how to improve your score.

Best Practices2026-04-15

Why Every Website Needs a security.txt File

RFC 9116 introduced security.txt as a standard for vulnerability disclosure. Here is why you need one.

SEO2026-04-08

Understanding robots.txt: A Guide for Business Owners

What robots.txt does, why it matters for SEO, and common mistakes to avoid.

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© 2026 SAB Security. Based in Karlsruhe, Germany. All analysis is passive and requires written authorization. We only use publicly available information.