1. A computer-implemented method for identifying data leakage, comprising the steps of: a. from at least one marketing services provider (MSP) server, accessing a website hosted at a publisher server; b. searching the website to identify any third-party tags; c. if third-party tags are found, calculating an individual threat score associated with each third-party tag found on the website; d. if individual threat scores are calculated, calculating a cumulative threat score associated with the website based on the individual threat scores; and e. if a cumulative threat score is calculated, then determining whether the cumulative threat score is above a threshold threat score, and if so identifying the website as a data leakage threat.