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Block your sign-in methods
This guide walks you through blocking all your sign-in methods in BusinessID. If a device is lost or stolen, or if you suspect that your sign-in methods are compromised, you must block them immediately — blocking suspends all your sign-in methods at once, so they cannot be used to sign in.
Block the sign-in methods
Log in to BusinessID, open the account menu in the top-right corner, and select Block your sign-in methods.

Confirm by clicking Block sign-in methods.

All your sign-in methods are now blocked.