US Patent 11489864 Method for detecting denial of service attacks

A method for detecting a denial of service attach on a call center, the method including automated means for detecting at least one anomaly in calls made to the call center from at least one source, determining if a detected anomaly has a match in a historical file of previously detected anomalies, and filtering calls received from the at least one source if the detected anomaly does not have a match in the historical file of previously detected anomalies.