Page 7 - KAIST GSIS 2023 Vol.09

재학생 인터뷰

degree at KAIST in 2022 and continued with the PhD
program after that.
My journey to KAIST has been quite interesting and
a little bit complicated. Actually, my undergradu-
ate major is mechanical engineering, which is com-
pletely different from my major right now, electri-
cal engineering. However, I had a strong interest in
wireless security. Therefore, after my undergraduate
graduation, I decided to work at a security company
in Vietnam. That was the time I realized that I want
TUAN HOANG DINH to improve my knowledge and become an expert in
the security field. I understood that pursuing gradu-
학생 ate studies abroad would be a great way to pursue
my dream. I started searching and asking my friends
for Master scholarship in Korea. Fortunately, I found
KAIST and Professor Yongdae Kim, who is famous for
상용 제품을 능가하는 오픈소스 his expertise in cellular security. In the Fall semester
of 2020, I went to KAIST, and that marked the begin-
이동통신 트래픽 스니퍼,
ning of my journey at KAIST.

LTE-sniffer

Q Could you describe the process of de-
veloping LTEsniffer and the motivation
behind it? What were some of the chal-
Q Could you please start by introducing
lenges you faced while developing this
yourself a bit? I understand you’re an in-
tool and how did you overcome them?
ternational student at KAIST, could you
share more about your background and A : As you know, our lab does security research on cel-
lular networks such as LTE and 5G. Therefore, we
your journey to KAIST?
need to use tools such as sniffers to collect data over
A : I’m Tuan, and I'm from Vietnam. Currently, I'm a PhD the air interface between smartphones and base sta-
student at SysSec Lab, KAIST. This is my second se- tions. However, commercial sniffers are expensive
mester of the PhD course. I also obtained my Master's and have limited capabilities. We also noticed that
not only our lab but other labs worldwide were fac-

그림 1 ▶ LTESniffer architecture

06 Graduate School Of Information Security 07