Data Loss Prevention Solution for Linux Endpoint Devices

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Publikace nespadá pod Fakultu sportovních studií, ale pod Fakultu informatiky. Oficiální stránka publikace je na webu muni.cz.
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DAUBNER Lukáš POVAŽANEC Adam

Rok publikování 2023
Druh Článek ve sborníku
Konference ARES '23: Proceedings of the 18th International Conference on Availability, Reliability and Security
Fakulta / Pracoviště MU

Fakulta informatiky

Citace
www https://doi.org/10.1145/3600160.3605036
Doi http://dx.doi.org/10.1145/3600160.3605036
Klíčová slova Data Loss Prevention; Auditing; Kernel Hooking; DLP; Data Leakage
Popis Endpoint data loss prevention (DLP) software monitors and protects data on the endpoint against accidental and malicious leakage. While the risk of such leakage is widely present in current systems, it is more so within the intelligent infrastructures due to potential impact, heterogeneity, and complexity. However, there is a significant gap in open solutions for wide Linux-based endpoints. Therefore, this paper discusses possible approaches towards Linux endpoint DLP solution, which would be widely available on Linux distributions, not relying on fragile assumptions and not undermining security controls. Namely, the focus is on audit and control of file system operations and external USB devices. The viable approaches are discussed, and a prototype solution is implemented using the ftrace framework for file system operations and combining the udev subsystem and the sysfs virtual file system for external USB devices. While the solution is demonstrated in scenarios involving various DLP channels, it also established a platform for further research based on the data from intercepted events.
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