Abstract: A method for verifying the identity of a new-user of a computer system, comprising the steps of receiving at least one identity attribute from the new-user; similarity searching the at least one new-user identity attribute against at least one database of denied-user identity attributes; receiving a similarity search result; determining a positive or negative match between the at least one new-user identity attribute and the denied-user identity attributes; allowing the new-user to access the computer system, where a negative match has been determined; and denying the new-user access to the computer system, where a positive match has been determined.

Abstract: A method for verifying the identity of a new-user of a computer system, comprising the steps of receiving at least one identity attribute from the new-user; similarity searching the at least one new-user identity attribute against at least one database of denied-user identity attributes; receiving a similarity search result; determining a positive or negative match between the at least one new-user identity attribute and the denied-user identity attributes; allowing the new-user to access the computer system, where a negative match has been determined; and denying the new-user access to the computer system, where a positive match has been determined.

Abstract: A method for verifying the identities of new users of a computer system, using batch similarity searching. The method comprises receiving a plurality of records, each record containing profile data input by a new user; similarity searching the profile data of each record against suspended-users profile data; determining, for each record, whether a positive match or a negative match exists between the profile data of the record and the suspended-users profile data; allowing a new user to access the computer system, where a negative match is determined between the record of the new user and the suspended-users profile data; and forwarding the record of a new user to a review process, where a positive match is determined between the record of the new user and the suspended-users profile data.