Multi-factor authentication, or MFA, adds a second step when users sign in. It is one of the most practical security improvements for small businesses because passwords are often stolen, reused, or entered into fake login pages.
Start With Important Accounts
Admin accounts, email, Microsoft 365, financial systems, remote access, and password managers should be prioritized. These accounts usually create the highest risk if compromised.
Use Better MFA Methods Where Possible
Authenticator apps, number matching, and hardware keys are generally stronger than text messages. Text-message MFA is still better than no MFA, but businesses should understand the tradeoff.
Plan For Lost Phones And Staff Changes
MFA needs a recovery process. If someone loses a phone or leaves the company, the business should know who can reset access and how identity is confirmed.
Watch For MFA Fatigue
Attackers sometimes push repeated login prompts hoping a user approves one by mistake. Training should explain that unexpected MFA prompts should be denied and reported.
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