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Small Business Security·Updated 2026-10-21

What security policies does a small business need?

Short answer

Most small businesses need a short acceptable use policy, a password and MFA policy, a backup policy, an incident response plan, a policy on approving payments, and, increasingly, an AI use policy. Each can be one page if it is clear about who does what.

The details

Policies only help if people read them and the business follows them. Assign an owner to each, review them yearly, and connect them to something practical, such as a checklist new staff complete in their first week.

Terms explained

Backup (3-2-1 rule)
A backup is a separate copy of data that can be restored after deletion, failure or attack. The 3-2-1 rule means three copies, on two types of storage, with one off-site.
Incident response
Incident response is the organized process of preparing for, detecting, containing, eradicating and recovering from security incidents, then learning from them.
Multi-factor authentication
Multi-factor authentication (MFA) requires two or more kinds of proof to sign in, such as a password plus an app prompt, security key or biometric unlock of a passkey.

Sources

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