Publications

The following are the list of papers (sorted in reverse chronological order) that I have (co)-authored.

2024

• MakeShift: Security Analysis of <redacted> Wireless Gear Shifting in Bicycles
  Maryam Motallebighomi, Earlence Fernandes, Aanjhan Ranganathan
  In Proceedings of 18th USENIX WOOT Conference on Offensive Technologies (Usenix WOOT 2024) (to appear) (under embargo)

• Amplifying Threats: The Role of Multi-Sender Coordination in SMS-Timing-Based Location Inference Attacks
  Evangelos Bitsikas, Theodor Schnitzler, Christina Poepper, Aanjhan Ranganathan
  In Proceedings of 18th USENIX WOOT Conference on Offensive Technologies (Usenix WOOT 2024) (to appear)

• ASTRA-5G: Automated Over-the-Air Security Testing and Research Architecture for 5G SA Devices
  Syed Khandker, Michele Guerra, Evangelos Bitsikas, Roger Piqueras Jover, Aanjhan Ranganathan, Christina Poepper
  In Proceedings of 17th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2024) (to appear)

• Seamlessly Insecure: Uncovering Outsider Access Risks in AiDot-Controlled Matter Devices
  Narmeen Shafqat, Aanjhan Ranganathan
  In Proceedings of IEEE/ACM Workshop on the Internet of Safe Things (SafeThings 2024) (to appear)

• Assessing the Feasibility of Virtual Smartphone Paradigm in Countering Zero-Click Attacks
  Narmeen Shafqat, Cem Topcuoglu, Engin Kirda, Aanjhan Ranganathan
  In Proceedings of Hawaii International Conference on System Sciences, (HICSS 2024) (to appear)
  arXiv version: Experience Report on the Challenges and Opportunities in Securing Smartphones Against Zero-Click Attacks

2023

• Freaky Leaky SMS: Extracting User Locations by Analyzing SMS Timings
  Evangelos Bitsikas, Theodor Schnitzler, Christina Poepper, Aanjhan Ranganathan
  In Proceedings of 32nd USENIX Security Symposium (USENIX Security 2023) Paper
  arXiv version: Longer version

• Framing Frames: Bypassing Wi-Fi Encryption by Manipulating Transmit Queues
  Domien Schepers, Aanjhan Ranganathan, Mathy Vanhoef
  In Proceedings of 32nd USENIX Security Symposium (USENIX Security 2023) Paper Code

• Track You: A Deep Dive into Safety Alerts for Apple AirTags
  Narmeen Shafqat, Nicole Gerzon, Maggie Van Nortwick, Viktor Sun, Alan Mislove, Aanjhan Ranganathan
  In Proceedings of Privacy Enhancing Technologies (PoPETS 2023) Paper

• Analyzing the Impact of GNSS Spoofing on Swarms of Unmanned Systems
  Aanjhan Ranganathan, Pau Closas
  In the Proceedings of Institute of Navigation GNSS+ 2023 (ION GNSS+ 2023) Paper

• Galileo-SDR-SIM: An Open-Source Tool for Generating Galileo Satellite Signals
  Harshad Sathaye, Maryam Motallebighomi, Aanjhan Ranganathan
  Extended Abstract at Institute of Navigation GNSS+ 2023 (ION GNSS+ 2023) Paper

• UE Security Reloaded: Developing a 5G Standalone User-Side Security Testing Framework
  Evangelos Bitsikas, Syed Khandker, Ahmad Salous, Aanjhan Ranganathan, Roger Piqueras Jover, Christina Poepper
  In Proceedings of 16th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2023) Paper Code

• Location Independent GNSS Relay Attack: A Lazy Attacker’s Guide to Bypassing Navigation Message Authentication
  Maryam Motallebighomi, Harshad Sathaye, Mridula Singh, Aanjhan Ranganathan
  In Proceedings of 16th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2023) Paper Website

• mmSpoof: Spoofing Attacks on Automotive FMCW Radars using Millimeter-wave Reflect Array
  Rohith Reddy Vennam, Ish Kumar Jain, Kshitiz Bansal, Joshua Orozco, Puja Shukla, Aanjhan Ranganathan, Dinesh Bharadia
  In Proceedings of the 44th IEEE Symposium on Security and Privacy (S&P 2023) Paper Teaser Video

2022

• On the Implications of Spoofing and Jamming Aviation Datalink Applications
  Harshad Sathaye, Guevara Noubir, Aanjhan Ranganathan
  In Proceedings of Annual Computer Security Applications Conference (ACSAC 2022) Paper
  Honourable Mention at ACSAC 2022

• An Experimental Study of GPS Spoofing and Takeover Attacks on UAVs
  Harshad Sathaye, Martin Strohmeier, Vincent Lenders, Aanjhan Ranganathan
  In Proceedings of 31st USENIX Security Symposium (USENIX Security 2022) Paper

• On the Robustness of Wi-Fi Deauthentication Countermeasures
  Domien Schepers, Aanjhan Ranganathan, Mathy Vanhoef
  In Proceedings of 15th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2022) Paper

• ZLeaks: Passive Inference Attacks on Zigbee based Smart Homes
  Narmeen Shafqat, Daniel Dubois, David Choffnes, Aaron Schulman, Dinesh Bharadia, Aanjhan Ranganathan
  In Proceedings of 20th International Conference on Applied Cryptography and Network Security (ACNS 2022) Paper
  Best Student Paper award at ACNS 2022

• Privacy-Preserving Positioning in Wi-Fi Fine Timing Measurements Paper Website
  Domien Schepers, Aanjhan Ranganathan
  In Proceedings of Privacy Enhancing Technologies (PoPETS 2022)

• SemperFi: Anti-spoofing GPS Receiver for UAVs Paper Website
  Harshad Sathaye, Gerald LaMountain, Pau Closas, Aanjhan Ranganathan
  In Proceedings of Network and Distributed System Security Symposium (NDSS 2022)
  Best Poster/Demo award at WiSec 2020

• V-Range: Enabling Secure Ranging in 5G Wireless Networks Paper
  Mridula Singh, Marc Roeschlin, Aanjhan Ranganathan, Srdjan Capkun
  In Proceedings of Network and Distributed System Security Symposium (NDSS 2022)

2021

• Here, There, and Everywhere: Security Analysis of Wi-Fi Fine Timing Measurement Paper
  Domien Schepers, Mridula Singh, Aanjhan Ranganathan
  In Proceedings of 14th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2021)

• Let Numbers Tell the Tale: Measuring Security Trends in Wi-Fi Networks and Best Practices Paper
  Domien Schepers, Aanjhan Ranganathan, Mathy Vanhoef
  In Proceedings of 14th ACM Conference on Security and Privacy in Wireless and Mobile Networks (ACM WiSec 2021)

2019

• Practical Side-Channel Attacks against WPA-TKIP Paper
  Domien Schepers, Aanjhan Ranganathan, Mathy Vanhoef
  In Proceedings of 14th ACM Asia Conference on Information, Computer and Communications Security (ASIACCS 2019)

• Wireless Attacks on Aircraft Instrument Landing Systems Paper Video
  Harshad Sathaye, Domien Schepers, Aanjhan Ranganathan, Guevara Noubir
  In Proceedings of 28th USENIX Security Symposium (USENIX Security 19)
  Best Poster/Demo award at WiSec 2019
  Media coverage: [Ars Technica, The Register, Slashdot]

• Security of GPS/INS based On-road Location Tracking Systems Paper Video
  Sashank Narain, Aanjhan Ranganathan, Guevara Noubir
  In Proceedings of the 40th IEEE Symposium on Security and Privacy (S&P 2019)

2018

• I Send, Therefore I Leak: Information Leakage in Low-Power Wide Area Networks Paper
  Patrick Leu, Ivan Puddu, Aanjhan Ranganathan, Srdjan Capkun
  In Proceedings of ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec 2018)

2017

• On the Security of Carrier Phase-based Ranging Paper Bibtex
  Hildur Ólafsdóttir, Aanjhan Ranganathan, Srdjan Capkun
  In Proceedings of Cryptographic Hardware and Embedded Systems (CHES 2017)

• Are We Really Close? Verifying Proximity in Wireless Systems Draft version
  Aanjhan Ranganathan, Srdjan Capkun
  IEEE Security & Privacy Magazine (June-July 2017 edition)

2016

• Physical-layer Techniques for Secure Proximity Verification & Localization Abstract Full-text Bibtex
  Aanjhan Ranganathan
  Ph.D. Dissertation, 2016
  ETH Medal for Outstanding Dissertation

• SPREE: Spoofing Resistant GPS Receiver Paper Bibtex
  Aanjhan Ranganathan, Hildur Ólafsdóttir, Srdjan Capkun
  In Proceedings of the 22nd Annual International Conference on Mobile Computing and Networking (MobiCom 2016)
  Regional Winner-Switzerland ESA Satellite Navigation Competition

• Investigation of Multi-device Location Spoofing Attacks on Air Traffic Control and Possible Countermeasures Paper Bibtex
  Daniel Moser, Patrick Leu, Vincent Lenders, Aanjhan Ranganathan, Fabio Ricciato, Srdjan Capkun
  In Proceedings of the 22nd Annual International Conference on Mobile Computing and Networking (MobiCom 2016)

• SALVE: Server Authentication with Location VErification Paper Bibtex
  Der-Yeuan Yu, Aanjhan Ranganathan, Ramya Jayaram Masti, Claudio Soriente, Srdjan Capkun
  In Proceedings of the 22nd Annual International Conference on Mobile Computing and Networking (MobiCom 2016)

2015

• Proximity Verification for Contactless Access Control and Authentication Systems Paper Bibtex
  Aanjhan Ranganathan, Boris Danev, Srdjan Capkun
  In Proceedings of the 28th Annual Computer Security Applications Conference (ACSAC 2015)

• Thermal Covert Channels on Multi-core Platforms Paper Bibtex
  Ramya Jayaram Masti, Devendra Rai, Aanjhan Ranganathan, Christian Müller, Lothar Thiele, Srdjan Capkun.
  In the proceedings of 24th USENIX Security Symposium (USENIX Security 15)

• W-SPS: Designing a Wide-Area Secure Positioning System Paper Bibtex
  Der-Yeuan Yu, Aanjhan Ranganathan, Ramya Jayaram Masti, Claudio Soriente, Srdjan Capkun
  Cryptology ePrint Archive: Report 2015/230

2014

• Short Paper: Detection of GPS Spoofing Attacks in Power Grids Paper Bibtex
  Der-Yeuan Yu, Aanjhan Ranganathan, Thomas Locher, Srdjan Capkun, David A. Basin.
  In Proceedings of the 2014 ACM conference on Security and privacy in wireless & mobile networks (WiSec 2014)

• Low-power Distance Bounding Paper Bibtex
  Aanjhan Ranganathan, Boris Danev, Srdjan Capkun
  arXiv preprint arXiv:1404.4435 (2014)

2013

• On Limitations of Friendly Jamming for Confidentiality Paper Bibtex
  Nils Ole Tippenhauer, Luka Malisa, Aanjhan Ranganathan, Srdjan Capkun.
  In Security and Privacy (SP), 2013 IEEE Symposium on (IEEE S&P 2013)

2012

• Enabling Trusted Scheduling in Embedded Systems Paper Bibtex
  Ramya Jayaram Masti, Claudio Marforio, Aanjhan Ranganathan, Aurélien Francillon, Srdjan Capkun.
  In Proceedings of the 28th Annual Computer Security Applications Conference (ACSAC 2012)

• Design and Implementation of a Terrorist Fraud Resilient Distance Bounding System Paper Bibtex
  Aanjhan Ranganathan, Nils Ole Tippenhauer, Boris Skoric, Dave Singelée, Srdjan Capkun.
  In Computer Security – (ESORICS 2012)

• Counting stream registers: An efficient and effective snoop filter architecture Paper Bibtex
  Aanjhan Ranganathan, Ali Galip Bayrak, Theo Kluter, Philip Brisk, Edoardo Charbon, Paolo Ienne
  In Embedded Computer Systems (SAMOS), 2012 International Conference on (ICSAMOS 2012)

• Physical-layer attacks on chirp-based ranging systems Paper Bibtex
  Aanjhan Ranganathan, Boris Danev, Aurélien Francillon, Srdjan Capkun
  In Proceedings of the fifth ACM conference on Security and Privacy in Wireless and Mobile Networks (WiSec 2012)