Website Security Checklist for Small Businesses

A practical checklist to help website owners reduce common security risks and improve trust.

1. Use HTTPS Everywhere

Make sure your site uses a valid SSL/TLS certificate and redirects HTTP traffic to HTTPS. Visitors should not be able to browse sensitive pages over insecure HTTP.

2. Check Security Headers

Review headers such as HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Content-Security-Policy, and Permissions-Policy.

3. Keep Software Updated

Outdated CMS platforms, plugins, themes, frameworks, and server packages are common causes of website compromise.

4. Protect Admin Access

• Use strong passwords.
• Enable multi-factor authentication where possible.
• Remove old administrator accounts.
• Limit access to trusted users only.

5. Back Up Your Website

Maintain regular backups of files and databases. Store backups safely and test that they can be restored.

6. Review DNS and Email Security

Check your DNS records, SPF, DKIM, DMARC, and domain settings. Poor DNS configuration can affect email trust, website availability, and brand protection.

7. Remove Unused Files and Plugins

Old test pages, unused plugins, forgotten admin tools, and public backup files can expose risk.