activity
20242026
most citedHeimdallr: Fingerprinting SD-WAN Control-Plane Architecture via Encrypted Control Traffic

10 citations · 12 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CR2026

Graphs Don't Stay Secret: Practical Subgraph Reconstruction Attacks on Defended Graph RAG

Minkyoo Song, Jaehan Kim, Myungchul Kang +3

Graph-based retrieval-augmented generation (Graph RAG) is increasingly deployed to support LLM applications by augmenting user queries with structured knowledge retrieved from a kn…

cs.CR2025★ 10 cited

Heimdallr: Fingerprinting SD-WAN Control-Plane Architecture via Encrypted Control Traffic

Minjae Seo, Jaehan Kim, Eduard Marin +5

Software-defined wide area network (SD-WAN) has emerged as a new paradigm for steering a large-scale network flexibly by adopting distributed software-defined network (SDN) control…

cs.LG2025

PassREfinder-FL: Privacy-Preserving Credential Stuffing Risk Prediction via Graph-Based Federated Learning for Representing Password Reuse between Websites

Jaehan Kim, Minkyoo Song, Minjae Seo +3

Credential stuffing attacks have caused significant harm to online users who frequently reuse passwords across multiple websites. While prior research has attempted to detect users…

cs.CR2025★ 1 cited

Defending MoE LLMs against Harmful Fine-Tuning via Safety Routing Alignment

Jaehan Kim, Minkyoo Song, Seungwon Shin +1

Recent large language models (LLMs) have increasingly adopted the Mixture-of-Experts (MoE) architecture for efficiency. MoE-based LLMs heavily depend on a superficial safety mechan…

cs.CR2025

MUFFLER: Secure Tor Traffic Obfuscation with Dynamic Connection Shuffling and Splitting

Minjae Seo, Myoungsung You, Jaehan Kim +3

Tor, a widely utilized privacy network, enables anonymous communication but is vulnerable to flow correlation attacks that deanonymize users by correlating traffic patterns from To…

cs.CV2025

EO-VLM: VLM-Guided Energy Overload Attacks on Vision Models

Minjae Seo, Myoungsung You, Junhee Lee +4

Vision models are increasingly deployed in critical applications such as autonomous driving and CCTV monitoring, yet they remain susceptible to resource-consuming attacks. In this…

cs.CL2025★ 1 cited

Covering Cracks in Content Moderation: Delexicalized Distant Supervision for Illicit Drug Jargon Detection

Minkyoo Song, Eugene Jang, Jaehan Kim +1

In light of rising drug-related concerns and the increasing role of social media, sales and discussions of illicit drugs have become commonplace online. Social media platforms host…

cs.CL2024

Obliviate: Neutralizing Task-agnostic Backdoors within the Parameter-efficient Fine-tuning Paradigm

Jaehan Kim, Minkyoo Song, Seung Ho Na +1

Parameter-efficient fine-tuning (PEFT) has become a key training strategy for large language models. However, its reliance on fewer trainable parameters poses security risks, such…

cs.CL2024

Claim-Guided Textual Backdoor Attack for Practical Applications

Minkyoo Song, Hanna Kim, Jaehan Kim +2

Recent advances in natural language processing and the increased use of large language models have exposed new security vulnerabilities, such as backdoor attacks. Previous backdoor…