RT info:eu-repo/semantics/article T1 Survey of techniques on data leakage protection and methods to address the insider threat A1 Herrera Montano, Isabel A1 García Aranda, José Javier A1 Ramos Diaz, Juan A1 Molina Cardín, Sergio A1 Torre Díez, Isabel de la A1 Rodrigues, Joel J. P. C. K1 Data leak Protection K1 Data leak Prevention K1 DLP K1 Internal threat K1 Classified Information Security K1 DRM K1 33 Ciencias Tecnológicas AB Data leakage is a problem that companies and organizations face every day around the world. Mainly the data leak caused by the internal threat posed by authorized personnel to manipulate confidential information. The main objective of this work is to survey the literature to detect the existing techniques to protect against data leakage and to identify the methods used to address the insider threat. For this, a literature review of scientific databases was carried out in the period from 2011 to 2022, which resulted in 42 relevant papers. It was obtained that from 2017 to date, 60% of the studies found are concentrated and that 90% come from conferences and publications in journals. Significant advances were detected in protection systems against data leakage with the incorporation of new techniques and technologies, such as machine learning, blockchain, and digital rights management policies. In 40% of the relevant studies, significant interest was shown in avoiding internal threats. The most used techniques in the analyzed DLP tools were encryption and machine learning. PB Springer SN 1386-7857 YR 2022 FD 2022 LK https://uvadoc.uva.es/handle/10324/54391 UL https://uvadoc.uva.es/handle/10324/54391 LA eng NO Cluster Computing, 2022. NO Producción Científica DS UVaDOC RD 27-dic-2024