Guides
Security guides for small businesses
Each guide has a direct answer, steps, a checklist, sources and a free tool.
Security for small business
Small Business Cybersecurity Checklist for 2026
A practical, prioritized cybersecurity checklist for businesses without a security team: accounts, email, website, domain, devices and people.
9 min read · Updated 2026-10-03
Website security
How to Secure a Business Website
The configuration and maintenance steps that matter most for small-business websites: HTTPS, updates, headers, cookies, admin access and monitoring.
8 min read · Updated 2026-10-03
Website security
Website Security Headers Explained
What each important HTTP security header does, the safe value to start with, and how to roll out Content-Security-Policy without breaking your site.
7 min read · Updated 2026-10-03
Email security
How to Prevent Email Spoofing of Your Domain
Step-by-step instructions to stop criminals sending email as your domain using SPF, DKIM and DMARC, with a safe path to enforcement.
8 min read · Updated 2026-10-03
Email security
SPF vs DKIM vs DMARC: What Each Does
A plain-English comparison of SPF, DKIM and DMARC, how they work together, and which problems each one does and does not solve.
6 min read · Updated 2026-10-03
Email security
DMARC Explained for Small Businesses
What DMARC is, what p=none, quarantine and reject mean, how reports work, and a safe plan to reach enforcement.
6 min read · Updated 2026-10-03
Domain security
How to Protect Your Business Domain
Registrar, DNS and certificate controls that protect your domain from hijacking, expiry and abuse.
7 min read · Updated 2026-10-03
Brand protection
How to Detect a Fake Website Using Your Brand
Practical ways to find lookalike domains and fake sites impersonating your business, and how to judge which ones matter.
7 min read · Updated 2026-10-03
Brand protection
How to Respond to Business Impersonation
A calm step-by-step response plan: collect evidence, report to registrar and host, warn customers and prevent repeat incidents.
6 min read · Updated 2026-10-03