Unrequested single use code

Question

I received an email from microsoft with a single use code that I DID NOT request.

Does this mean someone tried to get into my account? Is there some further action I should take?

Answer 1

Yes, an unrequested single-use (verification) code usually means one of the following:

1. Someone is trying to access the account using the email or phone number.
2. Someone accidentally typed the email/phone when trying to sign in to their own account.
3. A code that was requested earlier was delayed in delivery.

Key guidance:

• Do not use or respond to any verification codes that were not requested.
• If the code was not requested, the account remains safe because the other person cannot complete sign-in without it.
• To reduce the chance of this happening again and to better secure the account, enable a passwordless sign-in method such as Windows Hello, Microsoft Authenticator, SMS or email codes, or a physical security key.

If unrequested codes continue, consider reviewing and strengthening security methods on the Microsoft account and moving to passwordless sign-in.

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References:

• Troubleshoot Microsoft verification code issues
• Why is Microsoft texting me?
• Common problems with two-step verification for a work or school account