This account is a sockpuppet account used to leave anonymous tips and/or protect the integrity of another account. This is within policy, see using another account for segregation and security.
Often, public computers will display the last account that logged into wikipedia. This account is accessed after the main account has been closed, so that this name appears instead. Similarly, this account may be used to report information that may compromise the anonymity of the editor and/or encourage harassment. To Administrators:If you see this account participating in XFDs, RFAs, or contributing to articles, please indef this account, but keep in mind that other wikipedians may be using this account's IP address.