Защитить программу от взлома

A problem has arisen with how things are heard on the other end; we have gone through a lot but cannot find the issue. We need a competent person who can identify the problem and better configure the telephony. There is also a remote server in this chain that connects via RDP, VPN, and other means. Therefore, the person must understand how it works and check all elements.

Hello. There have been multiple attacks on the online store in Moldova. The identity of the person who is 90% likely to have done this is known. It is necessary to try to gather as much information as possible from the server logs and other evidence about who did this. In general, to collect a body of evidence based on the available clues.