A paper titled “Enhancing Network Attack Detection with Distributed and In-Network Data Collection System” is accepted at USENIX Security 2024. This paper explores a new possibility of distributed feature measurement framework in the era of AI using data plane programmability. The idea is to prioritize large flows over super mice to measure immediately in the […]

Now, we are BRL (Basic Research Lab) together with Prof. Dongbo Min and Prof. Se Eun Oh. Title: Research on SPV(Security/Privacy/Visual) Firewall for Connected Autonomous Vehicle Period: 2023.6-2026.2 Budget: 1.375 billion KRW Aim: In recent years, the amount of data exchanged between automobiles and external networks has increased exponentially due to big data, deep learning, […]

NDSS 2023 (27 of Feb – 3 of March, 2023) was held at Catamaran hotel in San Diego, CA. We (Sian, Jiyoo, and me) attended the conference. The welcoming board stood in the hotel lobby. Lunch in the Mission beach with Jiyoo, me, Heekuk Oh (Hanyang Erica), SungHyun Cho (Hanyang Erica), Suel Son (KAIST). JaeJong […]

  Funding source: National Research Foundation Program: Mid-Career Researcher Program Type 1-2 Period: 2023.3.1-2028.2.29 Budget: One billion KRW for five years Research statement: From a network security perspective, one of the most important recent trends is “In-Network Defense”. In addition to endpoint security and perimeter security, which have been the focus to date, there is […]

Me, Jiyoo, Jinchun at a restaurant in UCF, Orlando, FL, Feb. 7th, 2018 (I visited UCF for GRL workshop) I am delighted to share this good news. Jinchun is going to join ETRI (Electronics and Telecommunications Research Institute) in January 2023. Big congratulations to Jinchun! He was one of my PhD students at Inha and […]

Sian gave a talk on PortCatcher in CCS 2022 in LA, US on the 10th of November, 2022. A photo of the room “Museum A”. Sian is on the podium, and I was taking a photo of her (Left). Rhongho, David, and me at a hotel lobby (Photographer was JeongHye.) It’s been quite a long […]

Another big news. Our paper titled “A Robust Counting Sketch for Data Plane Intrusion Detection”, proposing Count-Less, is accepted in NDSS 2023! This paper is part of the series of works that our group has been pursuing on data sketch for traffic measurement and security applications. Count-Less is a major variation of the famous Count-Min […]

Kichang Yang at Hyundai motor company gave a talk on vehicular security in cyber security department’s weekly colloquium at Ewha. His talk showed many interesting vehicular security issues as well as what to do to become a vehicular security engineer. It must be very helpful to young students as a career guidance. He has been […]

I am pleased to announce that Dr. Changhun Jung starts his career as a researcher at R&D center of Hyundai Motor Company. He obtained M.S. and PhD degree in 2017 and 2022, respectively in my lab. His main research interests are authentication, network security, data plane security, AI-based attack detection, data structure and algorithm for […]

I am pleased to share that our paper “A Scalable and Dynamic ACL System for In-Network Defense” (named PortCatcher) is accepted in CCS 2022! A big achievement of our research group. Summary by David: This work addresses the scalability of dynamic ACL systems through an elegant combination of algorithmic optimization and new architectural design that […]