Methods and computer-readable media for facilitating forensic investigations of online transactions

A method, comprising: receiving a first identifier associated with an online transaction and a second identifier used by end user equipment involved in the online transaction; obtaining evidentiary information pertaining to the end user equipment based on the second identifier; storing in a database a record that associates the first identifier with the evidentiary information; and retrieving one of (i) the evidentiary information in said record and (ii) the first identifier in response to a request identifying the other of (i) the evidentiary information in said record and (ii) the first identifier. Where the online transaction is effected over a network after the end user equipment has gained access thereto, the evidentiary information may include information pertaining to a subscriber whose credentials were used by the end user equipment to gain access to the network. The information pertaining to the subscriber may include personal information about the subscriber. Alternatively, the evidentiary information may include location information.