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Error: "The security code must consist of 6 numbers"
Quick answer
This error indicates an invalid format for the two-factor authentication code. To resolve this, generate a new 6-digit code and enter it correctly.
Two-factor authentication is a security feature that adds an extra layer of security for your account. If you enable this feature, you need to enter your Norton account password and a special verification code sent to a mobile authenticator app or to your phone via text or voice.
Resolution steps
This issue occurs when you enter a two-factor authentication code in an invalid format.
To fix this problem, generate a new 6 digit code and enter it.
Last modified: 09/01/2026
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