A database containing 1.4 billion plain text passwords discovered on the dark web has been widely reported. HaveIBeenPwned (HIBP) is an aggregated, interactive database that allows for fast (one second response) searches and new breach imports. A common use case for a breach notification service is alerting when a users email address has been found in a recent data breach. A low-level indicator of risk does not provide a balance between user experience and security. New high value use cases emerge that help determine degree of risk exposure to both users and organizations.”]