Login failed with Sign-in was blocked because it came from an IP address with malicious activity

Please refer this link for more details

https://docs.microsoft.com/en-us/azure/active-directory/identity-protection/overview-identity-protection

Hi buddy, just wanted to know if you have configured Azure AD Identity protection or not ,if yes then for the sign-in risk with malicious ip you need to change the password for the same and for other you can ignor from the portal itself