Neues von der Twin-City Achse Wien-Bratislava :-) Pavol Luptak von Nethemba (www.nethemba.sk) hat sich dazu bereit erklärt einen Vortrag über die (Un)Sicherheit von SMS-Ticket Systemen, wie sie im öffentlichen Nahverkehr z.B. in Wien eingesetzt werden, zu halten. Alle Interessierten sind herzlich eingeladen dazu ins Metalab zu kommen. Wann: Dienstag 5. Mai 2009 Wo: Metalab, Rathausstraße 6, A-1010 Wien, Österreich, Europ... ehschowissn Der Vortrag wird in Englisch gehalten! Abstract: The primary aim of this presentation is to show a serious inherentvulnerability in the public transport SMS tickets system widely used in many big cities. Firstly, prerequisites for a successful hack are described. Then a proposed SMS ticket hacking network architecture is outlined, including a SMS ticket hack server, SMS ticket mobile hack clients and their encrypted communication protocol. The author describes various partial solutions how to fix this vulnerability including instructions for attackers how to evade them (e.g. by using decentralized private P2P mobile network). Finally, an effective countermeasure is proposed: secure SMS ticket generation methods based on symmetric/asymmetric cryptography and a security improvement of transport inspector?s checking process. Despite the fact that public transport companies have already been informed about this serious vulnerability, they ignore this fact and still use the vulnerable systems. Weitere Infos: http://metalab.at/wiki/SMS-Ticket-Vortrag . ..: