Johannes Weber, Security Consultant, TÜV Rheinland i-sec GmbH

Johannes is a network security consultant at TÜV Rheinland i-sec GmbH. He has a master's degree in IT-Security (thesis: IPv6 Security) and blogs regularly at, covering IPv6, DNSSEC, NTP, Wireshark and other topics. At customer sites, Johannes works with next-generation firewalls, mail- and DNS-appliances, as well as classical routers/switches.