A method of identifying a point of compromise includes accessing data stored in a data storage system, the data being associated with a plurality of identified at-risk accounts, identifying a plurality of common points of transaction, each of the plurality of common points of transaction being associated with a minimum number of the plurality of identified at-risk accounts, and identifying a point of compromise from the plurality of common points of transaction based on (i) the number of the identified at-risk accounts involved in transactions executed via each common point of transaction during a time period, and (ii) a total number of accounts involved in transactions executed via the common point of transaction during the time period.