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Wednesday, July 1 • 4:05pm - 4:55pm
How to Protect Your Privacy by X.Org Security Module on the Desktop - Junghwan Kang, The Affiliated Institute of ETRI

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On your desktop Linux, X.Org a.k.a X11 is closely related to security and privacy issues because it manages and controls the input and output data from a keyboard and mouse to a screen. However, X.Org has been faced with several security concerns by design, although most Linux distributions are shipping it. On the desktop based on X.Org, it is not difficult for adversaries to intercept your keystroke and clipboard data, as well as screenshot and screencast, which are often misused for surveilling your behavior.
In this talk, Junghwan Kang will introduce an X.Org Security Module (XSM) for protecting the user’s privacy on an X.Org based desktop. He looks into a mechanism about the clipboard, screenshot, screencast, and X session record/replay closely in terms of information leakage. He also describes the pros and cons of methods for resolving the security issues at an X client and X server level. Lastly, he shows how to protect your privacy against the malicious behaviors by XSM, as well as how to extend it as desired.

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Junghwan Kang

Cyber Security Researcher, The Affiliated Institute of ETRI
Junghwan Kang is a senior security researcher at The Affiliated Institute of Electronics and Telecommunications Research Institute of South Korea. He has focussed on systematic methods and techniques to harden the security for a customized Linux distribution for years. Junghwan Kang... Read More →

Wednesday July 1, 2020 4:05pm - 4:55pm CDT
Linux Systems Theater