BIO

Taekkyung Oh is a Ph.D student in System Security Lab at KAIST, advised by Professor Yongdae Kim. He received a Master degree from Graduate School of Information Security at KAIST. His research interests are Security Engineering, Cellular Network Security, Cyber-Physical System (CPS) Security, and Usable Security.

  • Affliation: KAIST
  • Location: South Korea
  • Email: ohtk[at]kaist.ac.kr

Research Interests

Security Engineering

Cellular Network Security

Cyber-Physical System (CPS) Security

Usable Security

Educations

Ph.D of Engineering

September, 2021 - Present

Graduate School of Information Security at KAIST

Master of Engineering

September, 2019 - August, 2021

Graduate School of Information Security at KAIST

Bachelor of Engineering

March, 2012 - August, 2019

Electronic and Electrical Engineering at SKKU

Computer Engineering at SKKU

Publications

Enabling Physical Localization of Uncooperative Cellular Devices (To appear) [PDF]

Taekkyung Oh, Sangwook Bae, Junho Ahn, Yonghwa Lee, Tuan Dinh Hoang, Min Suk Kang, Nils Ole Tippenhauer, Yongdae Kim Proceedings of the 30th Annual International Conference on Mobile Computing and Networking (ACM MobiCom'24)

LTESniffer: An Open-source LTE Downlink/Uplink Eavesdropper [PDF] [Code]

Tuan Dinh Hoang, CheolJun Park, Mincheol Son, Taekkyung Oh, Sangwook Bae, Junho Ahn, Beomseok Oh, Yongdae Kim Proceedings of the 16th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec'23)

Void: A fast and light voice liveness detection system [PDF]

Muhammad Ejaz Ahmed, Il-Youp Kwak, Jun Ho Huh, Iljoo Kim, Taekkyung Oh, Hyoungshick Kim Proceedings of the 29th USENIX Security Symposium (Security'20)

Poster: I Can’t Hear This Because I Am Human: A Novel Design of Audio CAPTCHA System [PDF]

Jusop Choi, Taekkyung Oh, William Aiken, Simon S. Woo, Hyoungshick Kim Proceedings of the 11th ACM Asia Conference on Computer and Communications Security (ACM ASIACCS'18)

Vulnerability Reports

Common Vulnerabilities and Exposures (CVE)

CVE-2024-20076 & CVE-2024-20077 | Memory corruption in MediaTek chipsets

GSMA Coordinated Vulnerability Disclosure [WWW]

CVD-2023-0070 | Vulnerability in radio control mechanism in LTE networks CVD-2023-0077 | Vulnerability in uplink scheduling mechanism in LTE networks

Invited Talks

srsRAN Project Fall Workshop 2023 [Video]

SRS (Software Radio Systems) | Arlington, Virginia, USA | October, 2023

Testing, Analyzing, Improving Security of Cellular Networks with srsRAN (with Yongdae Kim)

Security Intelligence Summit (SIS) 2022 .ON [WWW] [WWW]

S2W Inc. (cybersecurity company) | Seoul, South Korea | November, 2022

Voice Phisher Intelligence: Location tracking and infrastructure vulnerability analysis

Projects

Tracking and identifying devices and call traffic in voice phishing ecosystem

National Police Agency, South Korea | Funded 4.5 million USD | April, 2022 - December, 2024

Project Manager

Developing a technology for detecting an open-source based fake base station

National Intelligence Service (NIS), South Korea | Funded 100K USD | February, 2024 - December, 2024

Project Manager