event id 4624 anonymous logon
The more you restrict Anonymous logon, you hypothetically increase your security posture, while you lose ease of use and convenience. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe. If a specific account, such as a service account, should only be used from your internal IP address list (or some other list of IP addresses). We realized it would be painful but There is a section called HomeGroup connections. Formats vary, and include the following: Lowercase full domain name: contoso.local, Uppercase full domain name: CONTOSO.LOCAL. Logon Process:NtLmSsp
Based on the Logon Type (3), it looks like (allowed) anonymous access to a network resource on your computer (like a shared folder, printer, etc.). Event ID - 5805; . An account was successfully logged on.