Publications

2022

EarWalk: Towards Walking Posture Identification using Earables
Nan Jiang, Terence Sim, and Jun Han
ACM International Workshop on Mobile Computing Systems and Applications (
HotMobile 2022)
[ paper ]

2021

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 (
SenSys 2021)
Acceptance Rate: 18.0% (29 of 139)
[
paper | demo vid | teaser | video ]
*Featured on several news/media including: Forbes, The Register, Y Combinator's Hacker News, and Techlog360.

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 (
Security 2021)
Acceptance Rate: 18.8%
[
paper | slides | video ]

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 (
Security 2021)
Acceptance Rate: 18.8%
[
paper | slides | video ]
Recognized as *GSMA Mobile Security Hall of Fame*

FastZIP: Faster and More Secure Zero-Interaction Pairing
Mikhail Fomichev, Julia Hesse, Lars Almon, Timm Lippert, Jun Han, and Matthias Hollick
ACM International Conference on Mobile Systems, Applications, and Services (
MobiSys 2021)
Acceptance Rate: 21.7% (36 of 166)
[
paper | teaser | video ]

-------------------------------------

[POSTER ABSTRACT] 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 (
SenSys 2021)
[
poster abstract ]

2020

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 (
SenSys 2020)
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.

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 (
HotMobile 2020)
Acceptance Rate: 33.3% (16 of 48)
[
paper | slides | video ]
*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.

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

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 (IoTJ), Vol. 7, No. 5, May 2020.
[
paper ]

-------------------------------------

[POSTER ABSTRACT] 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 (SenSys 2020)
*BEST POSTER RUNNER-UP AWARD*
[
poster | poster abstract ]

[POSTER ABSTRACT] 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 (
IPSN 2020)
[
poster | poster abstract | video ]

[POSTER PRESENTATION] 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 (HotMobile 2020)
[
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 ]

2019

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 (
DroNet 2019), co-located workshop with ACM MobiSys 2019
[
paper ]

SurFi: Detecting Surveillance Camera Looping Attacks with Wi-Fi Channel State Information
Nitya Lakshmanan, Inkyu Bang, Min Suk Kang, Jun Han, Jong Taek Lee
ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec 2019)
Acceptance Rate: 32.2% (29 of 90)
[
paper ]

-------------------------------------

[POSTER ABSTRACT] SoundUAV: Fingerprinting Acoustic Emanations for Delivery Drone Authentication
Soundarya Ramesh, Thomas Pathier, and Jun Han
ACM International Conference on Mobile Systems, Applications, and Services (
MobiSys 2019)
*BEST POSTER RUNNER-UP AWARD*
[
poster | poster abstract ]

[POSTER ABSTRACT] 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 (MobiSys 2019)
[
poster | poster abstract ]

[POSTER PRESENTATION] SurFi: Detecting Surveillance Camera Looping Attacks with Wi-Fi Channel State Information
Nitya Lakshmanan, Inkyu Bang, Min Suk Kang, Jun Han, Jong Taek Lee
ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec 2019)
[ poster ]

[DEMO ABSTRACT] 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 (IPSN 2019)
[
poster | demo abstract ]

-------------------------------------

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

2018

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 (
TOSN), Volume 14 Issues 3-4, Article No. 23, Dec. 2018.
[
paper ]

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 (Oakland 2018)
Acceptance Rate: 11.5% (64 of 549 / See submission and decision statistics)
[
paper | slides | video ]

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 (HotMobile 2018)
Acceptance Rate: 29.2% (19 of 65)
[
paper ]

2017

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 (
TOSN), Volume 13 Issue 4, Article No. 33, Dec. 2017.
[
paper ]

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 (BuildSys 2017)
Acceptance Rate: 31.3% (30 of 96)
*AUDIENCE CHOICE AWARD*
[
paper ]

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 (IPSN 2017)
Acceptance Rate: 18.3% (19 of 104)
[ paper | slides | project website ]

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 (HotMobile 2017)
Acceptance Rate: 36% (18 of 50)
[ paper ]

-------------------------------------

[POSTER PRESENTATION] 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 (HotMobile 2017)
*BEST POSTER RUNNER-UP AWARD*
[
poster ]

2015 and before

Source-Based Path Selection: The Data Plane Perspective
Taeho Lee, Christos Pappas, Cristina Basescu, Jun Han, Torsten Hoefler, Adrian Perrig
ACM Conference on Future Internet Technologies (CFI 2015)
[
paper ]

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 (WiSec 2014)
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 ]

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 (
TRUST 2013)
Acceptance Rate: 20.5% (8 of 39)
[ paper ]

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 (
CCS 2012)
Acceptance Rate: 18.9% (80 of 423)
[ paper ]

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, Ion Stoica
USENIX Annual Technical Conference (
USENIX ATC 2012)
Acceptance Rate: 18.4% (43 of 234)
[ paper ]

ACCessory: Keystroke Inference using Accelerometers on Smartphones
Emmanuel Owusu, Jun Han, Sauvik Das, Adrian Perrig, Joy Zhang
ACM International Workshop on Mobile Computing Systems and Applications (
HotMobile 2012)
Acceptance Rate: 20.6% (14 of 68)
[ paper ]

ACComplice: Location Inference using Accelerometers on Smartphones
Jun Han, Emmanuel Owusu, Thanh-Le Nguyen, Adrian Perrig, Joy Zhang
International Conference on Communication Systems and Networks (
COMSNETS 2012)
Acceptance Rate: 27.4% (46 of 168)
[ paper ]

[POSTER PRESENTATION] ACComplice: Location Inference using Accelerometers on Smartphones
Jun Han, Emmanuel Owusu, Thanh-Le Nguyen, Adrian Perrig, Joy Zhang
Intel Science & Technology Center for Secure Computing: Secure Computing Research for Users' Benefit (SCRUB Summer Retreat 2012)
*BEST POSTER AWARD"
[
poster ]

[DEMO ABSTRACT] SNORES - Towards a Less Intrusive Home Sleep Monitoring System Using Wireless Sensor Networks
Jun Han, Jae Yoon Chong, Sukun Kim
ACM Conference on Embedded Networked Sensor Systems (
SenSys 2009)
[ poster | poster abstract ]

Don't Sweat Your Privacy: Using Humidity to Detect Human Presence
Jun Han, Abhishek Jain, Mark Luk, Adrian Perrig
Workshop On UbiComp Privacy - Technologies, Users, Policy (
UbiPriv 2007)
[ paper ]

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 (
EMBC 2007)
[ paper ]