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Research


a. IoT/Embedded System/CPS Security

CPS is a system featuring a tight combination of, and coordination between, the system’s computational and physical elements. (Wikipedia) Or simply speaking, CPS can be considered as a physical system with networking capabilities. An early generation of CPS can be found in areas as diverse as aerospace, automotive, chemical processes, civil infrastructure, energy, healthcare, manufacturing, transportation, entertainment, and consumer appliances. These systems, as they are connected to the Internet more and more, have a lof of new challenges due to its coordination between computation and physical elements. Security, in our opinion, is one of the biggest challenges. In CPS security research, we focus on traditional CS security problems (such as operating systems, malware, binary analysis, patching, ...) as well as novel physical security problems (such as sensing, ranging, actuation, ...). Current target applications include medical devices, automobiles, and drones.

dt Publications
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VISUALS

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b. Control Plane Security

Most of the telecommunication systems carry data through data plane (for forwarding data) and control plane (for routing to the right destination). Therefore, disabling control plane may cause whole network breakdown. For example, our NDSS'11 paper shows that one can shut own the whole Internet with only 250K botnet. In this research, we focus on control plane security of current and emerging telecommunication infrastructure such as 3G, 4G LTE cellular communication, Internet, and future Internet. Among others, we are currently focusing on security, robustness, and accounting issues on these networks.

dt Publications
dtTeam members

VISUALS

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c. Penetration Testing of Korean Cyber Infrastructure

This is as a service to Korean community. We are helping 1) companies to find security problems of their products, 2) government to evaluate security of cyber infrastructure. For example, we are currently evaluating security problems of significant number of Korean smart phone apps, and the result has been quite surprising. We are also looking at security of Wibro eggs, 3G Femtocells, and popular navigators. If you are interested, don’t hesitate to contact us.

dt Publications
dtTeam members

VISUALS

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d. Other Security Issues

Our research also consider security problems of other systems such as cloud/storage, anonymous communication system and censorship-resistant systems and so on. For example, we are currently evaluating door lock system to find security problems which can be used to unlock the door for unauthorized person to enter the room. Moreover, we are also analyzing analog sensors to explore security problems which can be used to cracked the automobiles.

dt Publications
dtTeam members

VISUALS

descriptio01

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