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Small business guide

Website Security for Small Business

Quick answer

Website security starts with protecting the accounts and software that can change your site, then adding safe passive checks for public configuration changes.

Who this is for: Owners and agencies responsible for a public business website.

What to do

  1. 01Enable MFA on CMS, hosting, registrar, and password-reset email accounts.
  2. 02Remove unused plugins, themes, integrations, and administrator accounts.
  3. 03Keep the platform and extensions updated on a routine schedule.
  4. 04Run a passive check and treat evidence as a starting point, not a clean bill of health.

What this does not cover

A passive homepage check cannot inspect private systems, server files, authenticated areas, or prove that a whole website is free of compromise.

Authoritative source

CISA Cyber Essentials

Last reviewed: September 16, 2026

This page is educational information, not legal advice or a professional security audit. Check the official requirements and get qualified help when your circumstances require it.

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