Author(s): Sebastian Schrittwieser, Peter Frühwirt, Peter Kieseberg, Manuel Leithner, Martin Mulazzani, Markus Huber and Edgar Weippl

Download: Paper (PDF)

Date: 6 Feb 2012

Document Type: Reports

Associated Event: NDSS Symposium 2012


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. Our experimental results revealed major security flaws, allowing attackers to hijack accounts, spoof sender-IDs, or enumerate subscribers.