How to get logs do you get logs regarding deleting or modifying file / Folder from servers?
many answers regarding this use case in this portal quick search provided some links: https://answers.splunk.com/answers/561699/how-can-i-determine-who-deleted-a-file-from-a-shar.html https://answers.splunk.com/answers/477055/how-to-detect-when-files-are-deleted-modified-or-r.html https://www.splunk.com/blog/2013/07/08/audit-file-access-and-change-in-windows.html
in any case, you will have to enable auditing at the relevant directory(ies)
note: it can become very chatty data when you enable plenty of auditing rules on large / often approached file systems
hope it helps
