Recently, a new generation of Internet-based messaging applications for smartphones was introduced. While user numbers are estimated in the millions, little attention has so far been paid to the security of these applications. In this talk, we present our experimental results, which revealed major security flaws, allowing attackers to hijack accounts, spoof sender-IDs, and enumerate subscribers.
Sebastian Schrittwieser heads the Josef Ressel Center for Unified Threat Intelligence on Targeted Attacks https://www.jrz-target.at and is a lecturer for IT security at the University of Applied Sciences St. Pölten, Austria. He received a doctoral degree in informatics with focus on information security from the Vienna University of Technology in 2014. Sebastian’s research interests include, among others, network analysis, digital forensics, binary analysis, and mobile security. Furthermore, Sebastian is a senior expert at Kibosec GmbH.