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amuru15's avatar
amuru15
Copper Contributor
Feb 15, 2021

Azure AD users sign-ins keep repeatedly locked out

Dear Tech's, I'm facing issue that few users are keep getting locked out and sign-ins trying from different countries. How to prevent and what's the best way to suppress it. Advance thanks for your suggestions. 

  • Best thing to do is disable basic authentication across the board and/or turn of legacy protocols such as POP/IMAP/SMTP, which are what usually "brute force" attempts use.

  • amuru15's avatar
    amuru15
    Copper Contributor
    Thank you! l will check if any legacy authentication.

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