A Survey of Data Leakage Detection and Prevention Solutions by Asaf Shabtai

By Asaf Shabtai

SpringerBriefs current concise summaries of state-of-the-art study and functional functions throughout a large spectrum of fields. that includes compact volumes of fifty to a hundred pages (approximately 20,000- 40,000 words), the sequence covers quite a number content material from expert to educational. Briefs enable authors to give their principles and readers to soak up them with minimum time funding. As a part of Springer’s book assortment, SpringBriefs are released to thousands of clients world wide. Information/Data Leakage poses a major probability to businesses and firms, because the variety of leakage incidents and the associated fee they inflict keeps to extend. even if attributable to malicious reason, or an inadvertent mistake, facts loss can shrink a company’s model, lessen shareholder price, and harm the company’s goodwill and attractiveness. This publication goals to supply a structural and finished evaluate of the sensible strategies and present learn within the DLP area. this can be the 1st entire ebook that's committed completely to the sector of information leakage and covers all very important demanding situations and strategies to mitigate them. Its informative, authentic pages will offer researchers, scholars and practitioners within the with a finished, but concise and handy reference resource to this interesting box. we've got grouped current recommendations into various different types in accordance with a defined taxonomy. The awarded taxonomy characterizes DLP options in accordance with a number of points resembling: leakage resource, info kingdom, leakage channel, deployment scheme, preventive/detective methods, and the motion upon leakage. within the advertisement half we assessment strategies of the best DLP marketplace gamers in accordance with expert learn experiences and fabric acquired from the internet sites of the proprietors. within the educational half we cluster the tutorial paintings based on the character of the leakage and safety into a variety of different types. ultimately, we describe major information leakage eventualities and current for every state of affairs the main proper and acceptable answer or strategy that might mitigate and decrease the possibility and/or influence of the leakage scenario.

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Consumers and customers are often granted privileges to use specific applications or services. 3 What was leaked? Both DLP solution providers and academic researchers distinguish between three phases of data throughout their lifecycle: data-at-rest (DAR), data-in-motion (DIM), and data-in-use (DIU). Different approaches are used to protect data in different phases of their lifecycle. Incidents should be classified according to the data state that existed when control over the data was lost. Note that each incident may be classified into more than one data state.

2 Academic research in the DLP domain 33 phase is based on a smart proxy that uses an authorization database to determine whether the current user can download the requested content and whether the content needs to be encrypted before sending it through. In the viewing phase, a smart viewer on the user’s computer handles the request for the decryption key and decrypts the content. Following decryption, the smart viewer presents the content to the user (allowing the user to view the content once per key download), and the viewer is able to disable the save, print, and print-screen operations.

3 Email leakage protection Research in this field can be divided into two main categories: content-based approaches and behavior-based approaches. The content-based approach for detecting and preventing data leakage can be further divided into: • keywords-based rules. In this approach, various rules are retrieved from keywords that appear in the body and the header of an email. These rules determine the “confidentiality level” of the scanned email based on the number of appearances of certain keywords [Cohen, 1996], [Helfman, 1995] and [Rennie, 2000].

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