Publications

[Top Conf: Mob] [MobiSys'24] PowDew: Detecting Counterfeit Powdered Food Products using a Commodity Smartphone (To appear)
Jonghyuk Yun, Kyoosik Lee, Kichang Lee, Bangjie Sun, Jaeho Jeon, JeongGil Ko, Inseok Hwang, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
Acceptance Rate: 16.3% (43 of 263)

[HotMobile'24] ImpacTile: Tile-level Localization for the Visually Impaired using Structural Uniqueness
Cherry Kim, Seongjin Wang, Dongjun Kim, Shijia Pan, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications

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[POSTER ABSTRACT: HotMobile'24] Poster: ImpacTile: Tile-level Localization for the Visually Impaired using Structural Uniqueness
Cherry Kim, Seongjin Wang, Dongjun Kim, Shijia Pan, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications

[Top Conf: Sen] [SenSys'23] Testing Masks and Air Filters With Your Smartphones
Bangjie Sun, Kanav Sabharwal, Gyuyeon Kim, Mun Choon Chan, and Jun Han
ACM Conference on Embedded Networked Sensor Systems
Acceptance Rate: 18.9% (34 of 179)
[ paper | slides ]

[Top Conf: Mob] [MobiCom'23] MagTracer: Detecting GPU Cryptojacking Attacks via Magnetic Leakage Signals
Rui Xiao, Tianyu Li, Soundarya Ramesh, Jun Han*, and Jinsong Han* (*co-corresponding)
ACM International Conference On Mobile Computing And Networking
Acceptance Rate: 24.4% (92 of 377)
[ paper ]

[Top Conf: Ubi] [UbiComp'23/IMWUT] Don't Weight to Board: Augmenting Vision-based Passenger Weight Prediction via Viscoelastic Mat
Jong Taek Lee, Yu Kai Lim, Shijia Pan, and Jun Han
ACM International Joint Conference on Pervasive and Ubiquitous Computing
[ paper ]

[RAID'23] Characterizing and Mitigating Touchtone Eavesdropping in Smartphone Motion Sensors
Connor Bolton, Yan Long, Jun Han, Josiah Hester, and Kevin Fu
International Symposium on Research in Attacks, Intrusions, and Defenses
Acceptance Rate: 23.5% (50 of 213)
[ paper ]

[HotMobile'23] RampScope: Ramp-level Localization of Shared Mobility Devices using Sidewalk Ramps
Jonghyuk Yun, Gyuyeon Kim, Soundarya Ramesh, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
[ paper | slides ]
*BEST POSTER AWARD (*Poster accompanied full paper)

[HotMobile'23] ThermWare: Towards Side-channel Defense for Tiny IoT Devices
Nakul Garg, Irtaza Shahid, Erin Avllazagaj, Jennie Hill, Jun Han, and Nirupam Roy
ACM International Workshop on Mobile Computing Systems and Applications
[ paper ]

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[POSTER PRESENTATION: HotMobile'23] Ramp-level Localization of Shared Mobility Devices using Sidewalk Ramps
Jonghyuk Yun, Gyuyeon Kim, Soundarya Ramesh, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
[ poster ]
*BEST POSTER AWARD

[POSTER ABSTRACT: HotMobile'23] Poster: Tap-the-Fat: Body Fat Percentage Estimation using Acoustic Responses to Vibration Stimulus on Human Skin
Sihun Yang, Yuri Choi, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
[ poster | poster abstract ]

[DEMO ABSTRACT: MobiSys'23] Exploiting Indices for Man-in-the-Middle Attacks on Collaborative Unpooling Autoencoders
Kichang Lee, Jonghyuk Yun, Jun Han, and JeongGil Ko
ACM International Conference on Mobile Systems, Applications, and Services

[Top Conf: Sec] [CCS'22] TickTock: Detecting Microphone Status in Laptops Leveraging Electromagnetic Leakage of Clock Signals
Soundarya Ramesh,  Ghozali Suhariyanto Hadi, Sihun Yang, Mun Choon Chan, and Jun Han
ACM Conference on Computer and Communications Security
Acceptance Rate: 22.4% (218 of 972)
[ paper | slides ]

[Top Conf: Mob] [MobiSys'22] Detecting Counterfeit Liquid Food Products in a Sealed Bottle Using a Smartphone Camera
Bangjie Sun, Sean Rui Xiang Tan, Zhiwei Ren, Mun Choon Chan, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
Acceptance Rate: 21.6% (38 of 176)
[ paper | slides | video | teaser | project website ]
*BEST POSTER AWARD (*Poster accompanied full paper)
Featured on several Korean major news/media including: YTN (video), Chosun, Boan News, DongA, and more. 

[Top Conf: Ubi] [UbiComp'22/IMWUT] On Privacy Risks of Watching YouTube over Cellular Networks with Carrier Aggregation
Nitya Lakshmanan, Abdelhak Bentley, Byoungjun Choi, Roger Zimmermann, Jun Han, and Min Suk Kang
ACM International Joint Conference on Pervasive and Ubiquitous Computing
[ paper | slides ]

[HotMobile'22] EarWalk: Towards Walking Posture Identification using Earables
Nan Jiang, Terence Sim, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
[ paper | slides | video ]

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[PREPRINTS] TickTock: Detecting Microphone Status in Laptops Leveraging Electromagnetic Leakage of Clock Signals (Extended Version of ACM CCS'22 paper)
Soundarya Ramesh,  Ghozali Suhariyanto Hadi, Sihun Yang, Mun Choon Chan, and Jun Han
arXiv:2209.03197 [cs.CR], Sep. 2022
[ paper ]
[POSTER ABSTRACT: MobiSys'22] Poster: On Utilizing Smartphone Cameras to Detect Counterfeit Liquid Food Products
Bangjie Sun, Sean Rui Xiang Tan, Zhiwei Ren, Mun Choon Chan, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
*BEST POSTER AWARD
[ poster | poster abstract ]

[POSTER ABSTRACT: MobiSys'22] Poster: EarChew: Towards Identifying Chewing Side Preference using Earables
Sungtae Kim, Donghun Lee, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
[ poster | poster abstract ]

[POSTER PRESENTATION: HotMobile'22] Towards Walking Posture Identification Using Earables
Nan Jiang, Terence Sim, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
[ poster ]

[Top Conf: Sen] [SenSys'21] LAPD: Hidden Spy Camera Detection using Smartphone Time-of-Flight Sensors
Sriram Sami, Sean Rui Xiang Tan, Bangjie Sun, and Jun Han
ACM Conference on Embedded Networked Sensor Systems
Acceptance Rate: 18.0% (29 of 139)
[ paper* | slides | video | demo vid | teaser | project website ]
*Most downloaded paper across all years of ACM SenSys publications until present [ link ]
*Top 3rd most downloaded paper across all years of ACM Sigmobile publications until present [ link ]
Featured on several news/media including: Forbes, The Register, Y Combinator's Hacker News, and Techlog360.

[Top Conf: Sec] [USENIX Security'21] Acoustics to the Rescue: Physical Key Inference Attack Revisited
Soundarya Ramesh, Rui Xiao, Anindya Maiti, Jong Taek Lee, Ananda Kumar, Harini Ramprasad, Murtuza Jadliwala, and Jun Han
USENIX Security Symposium
Acceptance Rate: 18.7% (246 of 1316)
[ paper | slides | video ]

[Top Conf: Sec] [USENIX Security'21] A Stealthy Location Identification Attack Exploiting Carrier Aggregation in Cellular Networks
Nitya Lakshmanan, Nishant Budhdev, Min Suk Kang, Mun Choon Chan, and Jun Han
USENIX Security Symposium
Acceptance Rate: 18.7% (246 of 1316)
[ paper | slides | video ]
*GSMA MOBILE SECURITY HALL OF FAME

[Top Conf: Mob] [MobiSys'21] FastZIP: Faster and More Secure Zero-Interaction Pairing
Mikhail Fomichev, Julia Hesse*, Lars Almon, Timm Lippert, Jun Han*, and Matthias Hollick* (*co-corresponding)
ACM International Conference on Mobile Systems, Applications, and Services
Acceptance Rate: 21.7% (36 of 166)
[ paper | teaser | video ]

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[POSTER ABSTRACT: SenSys'21] On Utilizing Smartphone Time-of-Flight Sensors to Detect Hidden Spy Cameras
Sriram Sami, Sean Tan Rui Xiang, Bangjie Sun, and Jun Han
ACM Conference on Embedded Networked Sensor Systems
[ poster | poster abstract ]

[Top Conf: Sen] [SenSys'20] Spying with Your Robot Vacuum Cleaner: Eavesdropping via Lidar Sensors
Sriram Sami, Yimin Dai, Sean Tan Rui Xiang, Nirupam Roy, and Jun Han
ACM Conference on Embedded Networked Sensor Systems
Acceptance Rate: 20.2% (43 of 213)
[ paper | slides | teaser | video ]
Featured on several news/media including: Forbes, ZDNet, Hacker.io, ThreatPost, Slashdot, Boan News (Korean), CNA (Singapore's mainstream news), and NUS News.
*BEST POSTER RUNNER-UP AWARD (*Poster accompanied full paper)

[HotMobile'20] Listen to Your Key: Towards Acoustics-based Physical Key Inference
Soundarya Ramesh, Harini Ramprasad, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications
Acceptance Rate: 33.3% (16 of 48)
[ paper | slides | video* ]
*Most viewed video on ACM SigMobile Youtube channel until present
Featured on several news/media/blog posts including: ACM News, Forbes, The Telegraph, Mashable, Gizmodo, The Register, The Sun, Y Combinator's Hacker News, Slashdot, Hacker.io, Boan News (Korean), and Bruce Schneier's blog post.

[CACM] How to Curtail Oversensing in the Home (Invited Magazine Article)
Connor Bolton, Kevin Fu, Josiah Hester, and Jun Han
Communications of the ACM, Vol. 63 No. 6, Pages 20-24, June 2020;
[ article | video | CACM June 2020 ]

[IoTJ] PAS: Prediction-Based Actuation System for City-Scale Ridesharing Vehicular Mobile Crowdsensing
Xinlei Chen, Susu Xu, Jun Han, Haohao Fu, Xidong Pi, Carlee Joe-Wong, Yong Li, Lin Zhang, Hae Young Noh, and Pei Zhang
IEEE Internet of Things Journal, Vol. 7, No. 5, May 2020.
[ paper ]

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[POSTER ABSTRACT: SenSys'20] LidarPhone: Acoustic Eavesdropping using a Lidar Sensor
Sriram Sami, Sean Tan Rui Xiang, Yimin Dai, Nirupam Roy, and Jun Han
ACM Conference on Embedded Networked Sensor Systems
*BEST POSTER RUNNER-UP AWARD
[ poster | poster abstract ]

[POSTER ABSTRACT: IPSN'20] Don't Wait For Weight: Towards Weight Inference of Passengers and Luggage using Smartphone Camera
Jong Taek Lee, Yu Kai Lim, and Jun Han
ACM/IEEE Information Processing in Sensor Networks
[ poster | poster abstract | video ]

[POSTER PRESENTATION: HotMobile'20] Listen to Your Key: Towards Acoustics-based Physical Key Inference
Soundarya Ramesh, Harini Ramprasad, and Jun Han,
ACM International Workshop on Mobile Computing Systems and Applications
[ poster ]

[PREPRINTS] LaNet: Real-time Lane Identification by Learning Road SurfaceCharacteristics from Accelerometer Data
Madhumitha Harishankar, Jun Han, Sai Vineeth Kalluru Srinivas, Faisal Alqarni, Shi Su, Shijia Pan, Hae Young Noh, Pei Zhang, Marco Gruteser, and Patrick Tague
arXiv:2004.02822 [cs.CV], Apr. 2020
[ paper ]

[DroNet'19] SoundUAV: Towards Delivery Drone Authentication via Acoustic Noise Fingerprinting
Soundarya Ramesh, Thomas Pathier, and Jun Han
ACM Workshop on Micro Aerial Vehicle Networks, Systems, and Applications (co-located workshop with ACM MobiSys 2019)
[ paper ]

[WiSec'19] SurFi: Detecting Surveillance Camera Looping Attacks with Wi-Fi Channel State Information
Nitya Lakshmanan, Inkyu Bang, Min Suk Kang, Jun Han, and Jong Taek Lee
ACM Conference on Security and Privacy in Wireless and Mobile Networks
Acceptance Rate: 32.2% (29 of 90)
[ paper ]

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[POSTER ABSTRACT: MobiSys'19] SoundUAV: Fingerprinting Acoustic Emanations for Delivery Drone Authentication
Soundarya Ramesh, Thomas Pathier, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
*BEST POSTER RUNNER-UP AWARD
[ poster | poster abstract ]

[POSTER ABSTRACT: MobiSys'19] Towards Precise Localization of E-Scooters using Sidewalk Ramps
Christian August Reksten-Monsen and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services
[ poster | poster abstract ]

[POSTER PRESENTATION: WiSec'19] SurFi: Detecting Surveillance Camera Looping Attacks with Wi-Fi Channel State Information
Nitya Lakshmanan, Inkyu Bang, Min Suk Kang, Jun Han, and Jong Taek Lee
ACM Conference on Security and Privacy in Wireless and Mobile Networks
[ poster ]

[DEMO ABSTRACT: IPSN'19] Secure Pairing via Video and IMU Verification
Carlos Ruiz, Shijia Pan, Hae Young Noh, Pei Zhang, and Jun Han
ACM/IEEE Information Processing in Sensor Networks
[ poster | demo abstract ]

[PREPRINTS] SurFi: Detecting Surveillance Camera Looping Attacks with Wi-Fi Channel State Information (Extended Version of ACM WiSec'19 paper)
Nitya Lakshmanan, Inkyu Bang, Min Suk Kang, Jun Han, and Jong Taek Lee
arXiv:1904.01350 [cs.CR], Apr. 2019
[ paper ]

[TOSN] Smart Home Occupant Identification via Sensor Fusion Across On-Object Devices
Jun Han, Shijia Pan, Manal Kumar Sinha, Hae Young Noh, Pei Zhang, and Patrick Tague
ACM Transactions on Sensor Networks, Volume 14 Issues 3-4, Article No. 23, Dec. 2018.
[ paper ]

[Top Conf: Sec] [S&P (Oakland)'18] Do You Feel What I Hear? Enabling Autonomous IoT Device Pairing using Different Sensor Types
Jun Han, Albert Jin Chung, Manal Kumar Sinha, Madhumitha Harishankar, Shijia Pan, Hae Young Noh, Pei Zhang, and Patrick Tague
IEEE Symposium on Security and Privacy
Acceptance Rate: 11.5% (64 of 549 / See submission and decision statistics)
[ paper | slides | video ]

[HotMobile'18] UniverSense: IoT Device Pairing Using Heterogeneous Sensing Signals
Shijia Pan, Carlos Ruiz, Jun Han, Adeola Bannis, Patrick Tague, Hae Young Noh, and Pei Zhang,
ACM International Workshop on Mobile Computing Systems and Applications
Acceptance Rate: 29.2% (19 of 65)
[ paper ]

[TOSN] Design Experiences in Minimalistic Flying Sensor Node Platform through SensorFly
Xinlei Chen, Aveek Purohit, Shijia Pan, Carlos Ruiz, Jun Han, Zheng Sun, Frank Mokaya, Patrick Tague, and Pei Zhang
ACM Transactions on Sensor Networks, Volume 13 Issue 4, Article No. 33, Dec. 2017.
[ paper ]

[BuildSys'17] SenseTribute: Smart Home Occupant Identification via Fusion Across On-Object Sensing Devices
Jun Han, Shijia Pan, Manal Kumar Sinha, Hae Young Noh, Pei Zhang, and Patrick Tague
ACM International Conference on Systems for Energy-Efficient Built Environments
Acceptance Rate: 31.3% (30 of 96)
*AUDIENCE CHOICE AWARD
[ paper ]

[Top Conf: Sen] [IPSN'17] PitchIn: Eavesdropping via Intelligible Speech Reconstruction using Non-Acoustic Sensor Fusion
Jun Han, Albert Chung, and Patrick Tague
ACM/IEEE International Conference on Information Processing in Sensor Networks
Acceptance Rate: 18.3% (19 of 104)
[ paper | slides | project website ]

[HotMobile'17] Convoy: Physical Context Verification for Vehicle Platoon Admission
Jun Han, Madhumitha Harishankar, Xiao Wang, Albert Jin Chung, and Patrick Tague,
ACM International Workshop on Mobile Computing Systems and Applications; Acceptance Rate: 36% (18 of 50)
[ paper ]
*BEST POSTER RUNNER-UP AWARD (*Poster accompanied full paper)

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[POSTER PRESENTATION: HotMobile'17] Convoy: Physical Context Verification for Vehicle Platoon Admission
Jun Han, Madhumitha Harishankar, Xiao Wang, Albert Jin Chung, and Patrick Tague
ACM International Workshop on Mobile Computing Systems and Applications
*BEST POSTER RUNNER-UP AWARD
[ poster ]

[CFI'15] Source-Based Path Selection: The Data Plane Perspective
Taeho Lee, Christos Pappas, Cristina Basescu, Jun Han, Torsten Hoefler, and Adrian Perrig
ACM Conference on Future Internet Technologies
[ paper ]

[WiSec'14] MVSec: Secure and Easy-to-Use Pairing of Mobile Devices with Vehicles (Short Paper)
Jun Han, Yue-Hsun Lin, Adrian Perrig, and Fan Bai
ACM Conference on Security and Privacy in Wireless and Mobile Networks
Acceptance Rate: 26% (25 of 96)
[ paper ]

[TECHNICAL REPORT] MVSec: Secure and Easy-to-Use Pairing of Mobile Devices with Vehicles
Jun Han, Yue-Hsun Lin, Adrian Perrig, and Fan Bai
CyLab Technical Report, CMU-CyLab-14-006, May 2014
[ paper ]

[TRUST'13] KISS: ''Key it Simple and Secure'' Corporate Key Management
Zongwei Zhou, Jun Han, Yue-Hsun Lin, Adrian Perrig, and Virgil Gligor
International Conference on Trust and Trustworthy Computing
Acceptance Rate: 20.5% (8 of 39)
[ paper ]

[Top Conf: Sec] [CCS'12] OTO: Online Trust Oracle for User-Centric Trust Establishment
Tiffany Hyun-Jin Kim, Payas Gupta, Jun Han, Emmanuel Owusu, Jason Hong, Adrian Perrig, and Debin Gao
ACM Conference on Computer and Communications Security
Acceptance Rate: 18.9% (80 of 423)
[ paper ]

[Top Conf: Com] [USENIX ATC'12] Cloud Terminal: Secure Access to Sensitive Applications from Untrusted Systems
Lorenzo Martignoni, Pongsin Poosankam, Matei Zaharia, Jun Han, Stephen McCamant, Dawn Song, Vern Paxson, Adrian Perrig, Scott Shenker, and Ion Stoica
USENIX Annual Technical Conference
Acceptance Rate: 18.4% (43 of 234)
[ paper ]

[HotMobile'12] ACCessory: Keystroke Inference using Accelerometers on Smartphones
Emmanuel Owusu, Jun Han, Sauvik Das, Adrian Perrig, and Joy Zhang
ACM International Workshop on Mobile Computing Systems and Applications
Acceptance Rate: 20.6% (14 of 68)
[ paper ]
*Second most cited paper across all years of ACM HotMobile publications until present [ link ]

[COMSNETS'12] ACComplice: Location Inference using Accelerometers on Smartphones
Jun Han, Emmanuel Owusu, Thanh-Le Nguyen, Adrian Perrig, and Joy Zhang
International Conference on Communication Systems and Networks
Acceptance Rate: 27.4% (46 of 168)
[ paper ]

[POSTER PRESENTATION: SCRUB Summer Retreat'12] ACComplice: Location Inference using Accelerometers on Smartphones
Jun Han, Emmanuel Owusu, Thanh-Le Nguyen, Adrian Perrig, and Joy Zhang
Intel Science & Technology Center for Secure Computing: Secure Computing Research for Users' Benefit (SCRUB) Retreat
*BEST POSTER AWARD
[ poster ]

[DEMO ABSTRACT: SenSys'09] SNORES - Towards a Less Intrusive Home Sleep Monitoring System Using Wireless Sensor Networks
Jun Han, Jae Yoon Chong, and Sukun Kim
ACM Conference on Embedded Networked Sensor Systems
[ poster | poster abstract ]

[UbiPriv'07] Don't Sweat Your Privacy: Using Humidity to Detect Human Presence
Jun Han, Abhishek Jain, Mark Luk, and Adrian Perrig
Workshop On UbiComp Privacy - Technologies, Users, Policy, co-located workshop with ACM UbiComp
[ paper ]

[EMBC'07] Towards Automatic Detection of Falls Using Wireless Sensors
Soundararajan Srinivasan, Jun Han, Dhananjay Lal, and Aca Gacic,
International Conference of the IEEE Engineering in Medicine and Biology Society
[ paper ]