Selected publications

An Analysis of Pre-installed Android Software

J. Gamba, M. Rashed, A. Razaghpanah, J. Tapiador, and N. Vallina-Rodriguez [PDF]
The 41st IEEE Symposium on Security and Privacy, (IEEE Symposium on S&P), May 2020, CA, USA

AndrEnsemble: Leveraging API Ensembles to Characterize Android Malware Families

O. Mirzaei, G. Suarez-Tangil, J.M. de Fuentes, J. Tapiador, G. Stringhini [PDF]
14th ACM ASIA Conference on Computer and Communications Security (ACM ASIACCS 2019), July 2019, New Zeland

Do You Get What You Pay For? Comparing the Privacy Behaviors of Free vs. Paid Apps

C. Han, I. Reyes, A. Elazari Bar On, J. Reardon, A. Feal, S. Egelman, N. Vallina-Rodriguez [PDF]
Workshop on Technology and Consumer Protection (ConPro 2019), May 2019, San Fransisco, CA, USA

On The Ridiculousness of Notice and Consent: Contradictions in App Privacy Policies

E. Okoyomon, N. Samarin, P. Wijesekera, A. Elazari Bar On, N. Vallina-Rodriguez, I. Reyes, A. Feal, S. Egelman [PDF]
Workshop on Technology and Consumer Protection (ConPro 2019), May 2019, San Fransisco, CA, USA

Beyond Google Play: A Large-Scale Comparative Study of Chinese Android App Markets

H. Wang, Z. Liu, N. Vallina-Rodriguez, Y. Guo, L. Li, J. E. Tapiador, J. Cao, and G. Xu [PDF]
The 18th ACM Internet Measurement Conference (ACM IMC 2018), November 2018, Boston, MA, USA

“Won’t Somebody Think of the Children?” Privacy Analysis at Scale: A Case Study With COPPA

I. Reyes, P. Wijesekera, J. Reardon, A. Elazari, A. Razaghpanah, N. Vallina-Rodriguez, and S. Egelman [PDF]
Privacy Enhancing Technologies Symposium (PETS 2018) July 2018, Barcelona, Spain

Apps, Trackers, Privacy, and Regulators: A Global Study of the Mobile Tracking Ecosystem

A. Razaghpanah, R. Nithyanand, N. Vallina-Rodriguez, S. Sundaresan, M. Allman, C. Kreibich, and P. Gill [PDF]
Network and Distributed System Security Symposium 2018 (NDSS’18), February 2018, San Diego, CA, USA

Bug Fixes, Improvements,… and Privacy Leaks

J. Ren, M. Lindorfer, D. J. Dubois, A. Rao, D. Choffnes, and N. Vallina-Rodriguez [PDF]
Network and Distributed System Security Symposium 2018 (NDSS’18), February 2018, San Diego, CA, USA

Studying TLS Usage in Android Apps

A. Razaghpanah, A. Akhavan Niaki, N. Vallina-Rodriguez, S. Sundaresan, J. Amann, P. Gill [PDF]
The 13th International Conference on emerging Networking EXperiments and Technologies (ACM CoNEXT 2017),
December 2017, Seoul, South Korea

Triflow: Triaging android applications using speculative information flows

O. Mirzaei, G. Suarez-Tangil, J. Tapiador, J.M. de Fuentes [PDF]
12th ACM ASIA Conference on Computer and Communications Security (ACM ASIACCS 2017), April 2017, Abu Dhabi, UAE

An analysis of the Privacy and Security Risks of Android VPN Permission-enabled Apps

M. Ikram, N. Vallina-Rodriguez, S. Seneviratne, M. Ali Kaafar, V. Paxson [PDF]
The 16th ACM Internet Measurement Conference 2016 (ACM IMC 2016), November 2016, Santa Monica, CA, USA

Haystack: A Multi-Purpose Mobile Vantage Point in User Space

A. Razaghpanah, N. Vallina-Rodriguez, S. Sundaresan, C. Kreibich, P. Gill, M. Allman, V. Paxson [PDF]
arXiv prePrints 1510.01419