Through your IP address. In court the IP address will verify your identity and exact time you used the system. Your IP address is not your E-mail address (example: 324.44.187.104). How? Your Internet Service Provider (ISP) is subpoenaed to obtain your identity. Your ISP is forced through the court subpoena process to divulge your confidential information. Your ISP's log file history will show exactly what modem and port you logged on through and makes identification through your Account Name and Password. Even AOL and other dynamic IP addresses reveals this information needed to prosecute.