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Jayakrishnan SalimJayakrishnan Salim 

password lockout issue

Hi,

In my org some API is trying to log in with wrong credentials and due to this the user's access is being restricted. 

Here is the login history.
User-added image

I am not able to identify which system is pinging SF and in the connected apps section, I am not seeing any issue. Is there any way to revoke access to this IP?

SwethaSwetha (Salesforce Developers) 
HI Jayakrishnan,
It doesn't appear like salesforce offers how to identify what "Other apex api" from the login history currently.
Related Idea: https://ideas.salesforce.com/s/idea/a0B8W00000GdZyIUAV/show-more-information-in-login-history-for-apps-of-type-other-apex-api

As a workaround for the issue you could change the username associated to the User record and the logins from the unknown app would no longer be able to lock that new username out, you would however have to update your other integrations using this username.

If this information helps, please mark the answer as best. Thank you