Walter Fumy Dr. Walter Fumy is VP Security Technology at Siemens AG's Information and Communication Networks Group, where his responsibilities range from cryptographic research to security consulting. He has published numerous papers and several books, and was a frequent speaker at conferences and events. Dr. Fumy is strongly involved in the international standardization of security techniques, having been Vice Chairman of ETSI TC Security, and since 1997 serving as Chairman of ISO committee SC 27 "IT Security Techniques". He is also Chairman of BITKOM's (German Association for Information Technology, Telecommunications and New Media) Working Group on Security Management.