US Patent 9218481 Managing password strength

A system or computer usable program product for managing password strength including receiving a password on a data processing system for a user, filtering for personal information about the user from multiple independent data sources accessible across a computer network, computing the password strength by the data processing system using an algorithm which compares the password to the filtered personal information about the user, and presenting feedback to the user through a user interface on a data processing system display regarding the computed password strength.