Amir Houmansadr

Defining perfect location privacy using anonymization

2016

The popularity of mobile devices and location-based services (LBS) has created great concerns regarding the location privacy of users of such devices and services. Anonymization is a common technique that is often being used to …

Practical Traffic Analysis Attacks on Secure Messaging Applications

2020

Instant Messaging (IM) applications like Telegram, Signal, and WhatsApp have become extremely popular in recent years. Unfortunately, such IM services have been targets of continuous governmental surveillance and censorship, as these services are home to …