1. A computerized method performed by one or more computer systems, wherein the computer systems are configured to access one or more electronic data sources in response to requests received from an interactive user interface, the method comprising: obtaining checkout system data associated with a plurality of checkout systems associated with a business, wherein the checkout system data identifies processes executing in memory of each checkout system, and user account access information indicating user account access attempts; determining that the checkout system data identifies a first process, executing in memory of one or more checkout systems, that is not known to be valid; determining, using the user account access information, anomalous user behavior of a first user account; generate user interface data describing the first process and the determined anomalous user behavior of the first user account; and provide at least a portion of the generated user interface data for presentation on a user device.