Verint Systems, Inc.

Cognyte Technologies Israel Ltd.

Pinchas Birenbaum

Yitshak Yishay

Offri Gil

Systems and methods for passive monitoring of computer communication that does not require performing any decryption. A monitoring system receives the traffic exchanged with each relevant application server, and identifies, in the traffic, sequences of messages&#x2014;or 'n-grams'&#x2014;that appear to belong to a communication session between a pair of users. Subsequently, based on the numbers and types of identified n-grams, the system identifies each pair of users that are likely to be related to one another via the application, in that these users used the application to communicate (actively and/or passively) with one another. The system may identify those sequences of messages that, by virtue of the sizes of the messages in the sequence, and/or other properties of the messages that are readily discernable, indicate a possible user-pair relationship.

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Rehovot, Israel

Pinchas Birenbaum