File Detection on Network Traffic Using Approximate Matching

Provided by: Creative Commons Topic: Networking Date Added: Sep 2014 Format: PDF
In recent years, internet technologies changed enormously and allow faster Internet connections, higher data rates and mobile usage. Hence, it is possible to send huge amounts of data / les easily which is often used by insiders or attackers to steal intellectual property. As a consequence, Data Leakage Prevention Systems (DLPS) have been developed which analyze network traffic and alert in case of a data leak. Although the overall concepts of the detection techniques are known, the systems are mostly closed and commercial. Within this paper the authors, present a new technique for network traffic analysis based on approximate matching (a.k.a fuzzy hashing) which is very common in digital forensics to correlate similar les.

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