Thorsten Holz, Ruhr-University Bochum (IMAGE) Ruhr-University Bochum Caption Thorsten Holz heads the Chair of System Security and is a Speaker at the Casa cluster of excellence. Credit Mareen Meyer Usage Restrictions The image may only be used for reporting about the Ruhr-Universität Bochum in the contex of the press release "LTE vulnerability: Attackers can impersonate other mobile phone users", published in February 2020. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.