Beyond Hamming: Query-Aware Decoding of Binary Cosine Sketches
International Conference on Machine Learning (ICML 2026)
OUR RESEARCH
Publications
156 publications across 31 years.
2026
2 publicationsDefeating Slow-and-Low Threats via Diffusion Model-based Generative Inference
USENIX NSDI (USENIX Symposium on Networked Systems Design and Implementation) 2026
2025
3 publicationsEnhancing Vulnerability Reports with Automated and Augmented Description Summarization
IEEE Transactions on Big Data, vol. 11, no. 6, pp. 3003-3015
SHIELD: Thwarting Code Authorship Attribution
IEEE Transactions on Dependable and Secure Computing, vol. 22, no. 5, pp. 4753 - 4767
SketchFeature: High-Quality Per-Flow Feature Extractor Towards Security-Aware Data Plane
ISOC Network and Distributed System Security Symposium (NDSS 2025)
2024
1 publicationEnhancing Network Attack Detection with Distributed and In-Network Data Collection System
USENIX Security 2024
2023
1 publicationA Robust Counting Sketch for Data Plane Intrusion Detection
ISOC Network and Distributed System Security Symposium (NDSS 2023)
2022
12 publicationsInvestigating the Effect of Traffic Sampling on Machine Learning-Based Network Intrusion Detection Approaches
IEEE Access, vol. 10, pp. 5801-5823
A Scalable and Dynamic ACL System for In-Network Defense
ACM Conference on Computer and Communications Security (ACM CCS 2022)
A One-Page Text Entry Method Optimized for Rectangle Smartwatches
IEEE Transactions on Mobile Computing, vol. 21, no. 10, pp. 1536-1233
Systematically Evaluating the Robustness of ML-based IoT Malware Detection Systems
The 25th International Symposium on Research in Attacks, Intrusions and Defenses (RAID 2022)
DL-FHMC: Deep Learning-based Fine-grained Hierarchical Learning Approach for Robust Malware Classification
IEEE Transactions on Dependable and Secure Computing, vol. 19, no. 5, pp. 3432-3447
Robust Natural Language Processing: Recent Advances, Challenges, and Future Directions
IEEE Access, vol. 10, pp. 86038-86056
Minimizing Noise in HyperLogLog-Based Spread Estimation of Multiple Flows
IEEE/IFIP International Conference on Dependable Systems and Networks (IEEE/IFIP DSN 2022)
Quantifying the Performance of Adversarial Training on Language Models with Distribution Shifts
ACM CySSS 2022
WBC image classification and generative models based on Convolutional Neural Network
BMC Medical Imaging, vol. 22, no. 94
Understanding Internet of Things malware by analyzing endpoints in their static artifacts
Computer Networks, vol. 206
BlockTrail: A Service for Secure and Transparent Blockchain-Driven Audit Trails
IEEE Systems Journal, vol. 16, no. 1, pp. 1367-1378
SHELLCORE: Automating Malicious IoT Software Detection by Using Shell Commands Representation
IEEE Internet of Things Journal, vol. 9, no. 4, pp. 2485-2496
2021
8 publicationsLarge-Scale and Robust Code Authorship Identification with Deep Feature Learning
ACM Transactions on Privacy and Security, vol. 24, no. 4
SSD-assisted Ransomware Detection and Data Recovery Techniques
IEEE Transactions on Computers, vol. 70, no. 10, pp. 1762-1776
A Network-independent Tool-based Usable Authentication System for Internet of Things Devices
Computers and Security, vol. 108
e-PoS: Making Proof-of-Stake Decentralized and Fair
IEEE Transactions on Parallel and Distributed Systems, vol. 32, no. 8
Empirically Comparing the Performance of Blockchain’s Consensus Algorithms
IET Blockchain
Contra-*: Mechanisms for Countering Spam Attacks on Blockchain's Memory Pools
Journal of Network and Computer Applications, vol. 179
Hate, Obscenity, and Insults: Measuring the Exposure of Children to Inappropriate Comments in YouTube
The 9th International Workshop on Natural Language Processing for Social Media (SocialNLP 2021)
Sensor-based Continuous Authentication of Smartphones’ Users Using Behavioral Biometrics: A Contemporary Survey
IEEE Internet of Things Journal, vol. 8, no. 1, pp. 65-84
2020
13 publicationsFrom Blue-Sky to Practical Adversarial Learning
IEEE International Conference on Collaboration and Internet Computing
Exploring the Attack Surface of Blockchain: A Comprehensive Survey
IEEE Communications Surveys and Tutorials, vol. 22, no. 3, pp. 1977-2008
Look-aside At Your Own Risk: Privacy Implications of DNSSEC Look-aside Validation
IEEE Transactions on Dependable and Secure Computing, vol. 17, no. 4, pp. 745-759
Insights into Attacks' Progression: Prediction of Spatio-Temporal Behavior of DDoS Attacks
World conference on Information Security Applications (WISA 2020)
SketchFlow: Per-Flow Systematic Sampling Using Sketch Saturation Event
IEEE INFOCOM 2020
DFD: Adversarial Learning-based Approach to Defend Against Website Fingerprinting
IEEE INFOCOM 2020
Multi-χ: Identifying Multiple Authors from Source Code Files
Privacy Enhancing Technologies Symposium 2020
Soteria: Detecting Adversarial Examples in Control Flow Graph-based Malware Classifiers
IEEE International Conference on Distributed Computing Systems (ICDCS 2020)
AUToSen: Deep Learning-based Implicit Continuous Authentication Using Smartphone Sensors
IEEE Internet of Things Journal, vol. 7, no. 6, pp. 5008-5020
Understanding the Proxy Ecosystem: A Comparative Analysis of Residential and Open Proxies on the Internet
IEEE Access, vol. 8
Catch Me If You Can: Rogue Access Point Detection Using Intentional Channel Interference
IEEE Transactions on Mobile Computing, vol. 19, no. 5, pp. 1056-1071
Assessing the Effectiveness of Pulsing Denial of Service Attacks under Realistic Network Synchronization Assumptions
Computer Networks, vol. 173
Towards Characterizing Blockchain-based Cryptocurrencies for Highly-Accurate Predictions
IEEE Systems Journal, vol. 14, no. 1, pp. 321-332
2019
9 publicationsTransparency in the New gTLD Era: Evaluating the DNS Centralized Zone Data Service
IEEE Transactions on Network and Service Management, vol. 16, no. 4, pp. 1782-1796
W-Net: A CNN-based Architecture for White Blood Cells Image Classification
AAAI 2019 Fall Symposium on AI for Social Good
Examining the Robustness of Learning-Based DDoS Detection in Software Defined Networks
IEEE Conference on Dependable and Secure Computing
Honor Among Thieves: Towards Understanding the Dynamics and Interdependencies in IoT Botnets
IEEE Conference on Dependable and Secure Computing
Analyzing and Detecting Emerging Internet of Things Malware: A Graph-based Approach
IEEE Internet Things of Journal, vol. 6, no. 5, pp. 8977-8988
InstaMeasure: Instant Per-flow Detection Using Large In-DRAM Working Set of Active Flows
ICDCS 2019
Secure Human Authentication with Graphical Passwords
Journal of Internet Technology, vol. 20, no. 4
Code authorship identification using convolutional neural networks
Future Generation Computer Systems, vol. 95, pp. 104-115
Mempool Optimization for Defending Against DDoS Attacks in PoW-based Blockchain Systems
IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2019)
2018
8 publicationsNetwork-based Analysis and Classification of Malware using Behavioral Artifacts Ordering
EAI Transactions on Security and Safety
Graph-based Comparison of IoT and Android Malware
International Conference on Computational Data & Social Networks (CSoNet 2018)
Large-Scale and Language-Oblivious Code Authorship Identification
ACM Conference on Computer and Communications Security (ACM CCS 2018)
Two-Thumbs-Up: Physical Protection for PIN Entry Secure against Recording Attacks
Computers and Security, vol. 78, pp. 1-15
Timing is almost everything: Realistic of the Very Short Intermittent DDoS Attacks
PST 2018 : The Sixteen International Conference on Privacy, Security and Trust (PST)
Understanding the Hidden Cost of Software Vulnerabilities: Measurements and Predictions
SecureComm 2018 - 14th EAI International Conference on Security and Privacy in Communication Networks
SSD-Insider: Internal Defense of Solid-State Drive against Ransomware with Perfect Data Recovery
ICDCS 2018
DIGITALSEAL: A transaction authentication tool for online and offline transactions
2018 IEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP)
2017
9 publicationsUnderstanding the Effectiveness of Typosquatting Techniques
ACM HotWeb
Counting bloom filter
Dynamic Security-Level Maximization for Stabilized Parallel Deep Learning Architectures in Surveillance Applications
2017 IEEE Symposium on Privacy-Aware Computing (PAC), pp. 192-193
A Privacy-Preserving Mobile Payment System for Mass Transit
IEEE Transactions on Intelligent Transportation Systems, vol. 18, no. 8, pp. 2192-2205
Highly-Accurate Rogue Access Point Detection using Intentional Channel Interference
WiSec 2017
Two-level Network Monitoring and Management in WLAN using Software-Defined Networking
WiSec 2017
Rogue Access Point Detector Using Characteristics of Channel Overlapping in 802.11n
ICDCS 2017
RFlow+: An SDN-based WLAN Monitoring and Management Framework
IEEE INFOCOM 2017
A Study of Flying Intrusion Detector using the Drone
한국정보처리학회, pp. 326-329
2016
5 publicationsA simple proof of optimality for the MIN cache replacement policy
Information Processing Letters, vol. 116, no. 2, pp. 168-170
An ARP-disabled network system for neutralizing ARP-based attack
한국정보처리학회 추계학술대회, pp. 234-237
Recyclable Counter with Confinement for Realtime Per-flow Measurement
IEEE/ACM Transactions on Networking, vol. 24, no. 5, pp. 3191-3203
Privacy-Preserving Palm Print Authentication using Homomorphic Encryption
IEEE DataCom 2016, pp. 878-881
Anonymity-Based Authenticated Key Agreement with Full Binding Property
Journal of Communications and Networks, vol. 18, no. 2, pp. 190-200
2015
3 publicationsUOIT Keyboard: A Constructive Keyboard for Small Touchscreen Devices
IEEE Transactions on Human-Machine Systems, vol. 45, no. 6, pp. 782-789
Short Dynamic Group Signature Scheme Supporting Controllable Linkability
IEEE Transactions on Information Forensic and Security, vol. 10, no. 6, pp. 1109-1124
Transaction Authentication Using Complementary Colors
Computers and Security, vol. 48, pp. 167-181
2014
5 publicationsA match maker with weighted move preference
한국정보보호학회 동계학술대회
Super spreaders estimator in compact memory
한국정보보호학회 동계학술대회
Keylogging-resistant Visual Authentication Protocols
IEEE Transactions on Mobile Computing, vol. 13, no. 11, pp. 2566-2579
Two-Factor Face Authentication using Matrix Permutation Transformation and a User Password
Information Sciences, vol. 269, pp. 1-20
PRODUCT HAVING ABSOLUTE POSITIONING CODE PATTERN ON A SURFACE THEREOF AND METHOD FOR GENERATING ABSOLUTE POSITIONING CODE PATTERN
2013
3 publications2012
4 publicationsALPHABET INPUT DEVICE AND ALPHABET RECOGNITION SYSTEM IN SMALL-SIZED KEYPAD
Anonymity-Based Authenticated Key Agreement with Full Binding Property
WISA 2012, pp. 177-191
Constructing Strong Identity-Based Designated Verifier Signatures with Self-Unverifiability
ETRI Journal, vol. 34, no. 2, pp. 235-244
表面上に絶対位置コードパターンを有する製造物及びその絶対位置コードパターンの形成方法
2011
5 publicationsBatch Verification and Finding Invalid Signatures in a Group Signature Scheme
International Journal of Network Security, vol. 13, no. 2, pp. 61-70
イメージ基盤のキャプチャ提供方法及びプログラム
Mistaking friends for foes: an analysis of a social network-based Sybil defense in mobile networks
ACM International Conference on Ubiquitous Information Management and Communication
A Software-Based Group Attestation for Wireless Sensor Networks
Adhoc & Sensor Wireless Networks Journal, vol. 13, no. 43467, pp. 121-154
Privacy-Enhanced Deniable Authentication E-Mail Service
International Conference on Digital Enterprise and Information Systems, DEIS 2011, pp. 16-29
2010
6 publicationsOn the Security of Two Group Signature Schemes with Forward Security
Informatica (Ljubljana), vol. 34, no. 2, pp. 237-242
Privacy Preserving Association Rule Mining Revisited: Privacy Enhancement and Resources Efficiency
IEICE Transactions on Information and System, vol. E93-D, no. 2, pp. 315-325
On the Inefficiency of the Resources Optimal Key Pre-Distribution Scheme for Wireless Sensor Network
Journal of Communications, vol. 5, no. 2, pp. 164-168
象形的組み合わせ及び使用頻度数を使用した小型キーパッドでのアルファベット入力装置及びアルファベット認識システム
小键盘中的字母输入装置与字母识别系统
Security Analysis of a Threshold Proxy Signature Scheme
IACR Cryptology ePrint Archive, no. 2-3
2009
8 publicationsImprovement of Das’s Two-Factor Authentication Protocol in Wireless Sensor Networks
IACR Cryptology ePrint Archive, no. 631
Software-Based Remote Code Attestation in Wireless Sensor Network
IEEE conference on Global telecommunications, pp. 4680-4687
A-Kad: an anonymous P2P protocol based on Kad network
IEEE International Conference on Mobile Adhoc and Sensor Systems, pp. 747-752
A Dynamic Level-based Secure Data Aggregation in Wireless Sensor Network
Joint Workshop on Information Security
More Efficient Threshold Signature Scheme in Gap Diffie-Hellman Group
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E92-A, no. 7, pp. 1720-1723
Hierarchical Grid-based Pairwise Key Pre-distribution in Wireless Sensor Networks
International Journal of Network Security, vol. 8, no. 3, pp. 282-292
SECRET USER SESSION MANAGING METHOD AND SYSTEM UNDER WEB ENVIRONMENT, RECORDING MEDIUM RECORDED PROGRAM EXECUTING IT
Grid-Based Key Pre-Distribution in Wireless Sensor Networks
KSII Transactions on Internet and Information Systems, vol. 3, no. 2, pp. 195-208
2008
10 publicationsMETHOD AND MOBILE COMMUNICATION TERMINAL FOR WRITING AND TRANSMITTING MESSAGE BY USING DIGITAL PAPER AND DIGITAL PEN
METHOD FOR PROVIDING ELECTRONIC NOTE SERVICE BY USING DIGITAL PAPER AND PEN, SYSTEM AND COMPUTER- READABLE RECORDING MEDIUM WITH PROGRAM THEREFOR
SYSTEM FOR REALIZING KEYBOARD EMULATOR USING DIGITAL PEN AND DIGITAL PAPER
Two-level Key Pool Design-based Random Key Pre-distribution in Wireless Sensor Networks
KSII Transactions on Internet and Information Systems, vol. 2, no. 5, pp. 222-238
METHOD AND APPARATUS FOR PROVIDING DIGITIZER FUNCTIONS BY USING DIGITAL PAPER AND PEN
METHOD AND SYSTEM FOR SELLING BY USING PRODUCT CATALOGUE HAVING UNIT-SELL PATTERN, APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM WITH PROGRAM THEREFOR
Privacy in Location Based Services: Primitives Toward the Solution
International Conference on Networked Computing and Advanced Information Management, pp. 572-579
PRODUCT HAVING ABSOLUTE POSITIONING CODE PATTERN ON A SURFACE THEREOF AND METHOD FOR GENERATING ABSOLUTE POSITIONING CODE PATTERN
Data Randomization for Lightweight Secure Data Aggregation in Sensor Network
UIC 2008, pp. 338-351
Protection Techniques of Secret Information in Non-Tamper Proof Devices of Smart Home Network
UIC 2008, pp. 548-562
2007
10 publicationsPRODUCT HAVING ABSOLUTE POSITIONING CODE PATTERN ON A SURFACE THEREOF AND METHOD FOR GENERATING ABSOLUTE POSITIONING CODE PATTERN
Certificate Issuing Using Proxy and Threshold Signatures in Self-initialized Ad Hoc Network
ICCSA 2007, pp. 886-899
Proactive Code Verification Protocol in Wireless Sensor Network
ICCSA 2007, pp. 1085-1096
Smart Proactive Caching Scheme for Fast Authenticated Handoff in Wireless LAN
Journal of Computer Science and Technology, vol. 22, no. 3, pp. 476-480
METHOD OF DESIGNING PASSWORD-BASED AUTHENTICATION AND KEY EXCHANGE PROTOCOL USING ZERO-KNOWLEDGE INTERACTIVE PROOF
On Grid-Based Key Pre-Distribution: Toward Better Connectivity in Wireless Sensor Network
PAKDD 2007, pp. 527-537
Fair Reputation Evaluating Protocol for Mobile Ad Hoc Network
CIS 2006, pp. 683-693
Structures for communication-efficient public key revocation in ubiquitous sensor network
MSN 2007, pp. 822-833
Secret Key Revocation in Sensor Networks
UIC 2007, pp. 1222-1232
Fuzzy Face Vault: How to Implement Fuzzy Vault with Weighted Features
HCII 2007, pp. 491-496
2006
4 publicationsHierarchical Grid-Based Pairwise Key Predistribution Scheme for Wireless Sensor Networks
EWSN 2006, pp. 83-98
Message and Its Origin authentication Protocol for Data Aggregation in Sensor Networks
EUC Workshops 2006, pp. 281-290
Cooperative Public Key Authentication Protocol in Wireless Sensor Network
UIC 2006, pp. 864-873
Distributed Certificate Authority Under the Grid-Location Aided Routing Protocol
ICCSA 2006, pp. 380-387
2005
5 publicationsImplementation and Performance Analysis of ISCSI-Based Virtual Storage System with Wireless Networks
International Symposium on Computer and Information Sciences, pp. 154-164
Layered Approach To Design Of WAP Identity Module For Wireless Internet Security
SK Telecommunications Review, vol. 15, no. 4, pp. 697-706
RFID Authentication Protocol with Strong Resistance against Traceability and Denial of Service Attacks
ESAS 2005, pp. 164-175
Two Factor Face Authentication Scheme with Cancelable Feature
IWBRS 2005, pp. 67-76
Selective Collision Based Medium Access Control Protocol for Proactive Protection of Privacy for RFID
EUC Workshops 2005, pp. 383-392
2004
4 publicationsAuthentication method using symmetric authenticated key exchange and asymmetric authenticated key exchange
Secure Cluster Based Routing Protocol Incorporating the Distributed PKI Mechanisms
IEEE Mediterranean Electrotechnical Conference, pp. 787-790
Analysis and Countermeasure on Vulnerability of WPA Key Exchange Mechanism
ICOIN 2004, pp. 915-924
An Efficient Video Prefix-Caching Scheme in Wide Area Networks
ICOIN 2004, pp. 679-688
2003
1 publicationMethod of setting communication environment between smart card and mobile terminal using layered architecture of protocol stack
2002
1 publicationMethod of designing password-based authentication and key exchange protocol using zero-knowledge interactive proof
2001
1 publicationArmoring password based protocol using zero-knowledge with secret coin tossing
IEEE International Symposium on Information Theory
2000
2 publications1999
3 publicationsSymmetric identity-proving protocol for smart cards
ELECTRONICS LETTERS, vol. 35, no. 23, pp. 2022-2024
A complete test sequence using cyclic sequence for conformance testing
Computer Communications, vol. 22, pp. 1447-1456
Modified TCP Congestion Window Management Scheme Considering the ABR Traffic Behavior
ICOIN-13, pp. 1D-4.1-6
1998
3 publicationsMethod for hiding information in lattice
ELECTRONICS LETTERS, vol. 34, no. 23, pp. 2226-2228
An interactive proof based identification and signature scheme using Euler’s totient function
IEEE International Symposium on Information Theory
An optimized test sequence satisfying the completeness criteria
International Conference on Information Networking, pp. 621-625
1997
6 publicationsAn improved location tracking mechanism using call locality relation in personal communications services
International Conference on Information, Communications and Signal Processing, pp. 30-34
Locality based Location Tracking using Virtually Hierarchical Link in Personal Communications Services
1997 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, pp. 190-193
A test sequence generation scheme satisfying the completeness criteria
1997 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, pp. 560-563
An Interactive Identification Scheme Based on Quadratic Residue Problem
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E80-A, no. 7, pp. 1330-1335
New Sequence Number for AAL 3-4 in ATM Networks
IEICE Transactions on Communications, vol. E80-B, no. 2, pp. 379-380
Fast digital signature scheme based on the quadratic residue problem
ELECTRONICS LETTERS, vol. 33, no. 3, pp. 205-206
1996
1 publicationImproving the performance of cell-loss recovery in ATM networks
ELECTRONICS LETTERS, vol. 32, no. 17, pp. 1540-1542