Cathal Mc Daid is the Chief Technical Officer at AdaptiveMobile Security. He is one of the world’s foremost experts in mobile network signalling security, where his recent achievements include the discovery of the critical Simjacker vulnerability. His pivotal work in the industry has been recognized by the GSMA where he is editor of the SS7 Interconnect Security Guidelines (FS.11) and editor of the new 5G Interconnect Security Guidelines (FS.36). With over 16 years’ experience in telecoms, messaging and security, he is a frequent contributor to business and technology media including the WSJ, USA Today, BBC, Forbes and Bloomberg and is a regular speaker at industry events. His academic background includes a B.Eng. in Computer Engineering from the University of Limerick and an Executive MBA from INSEAD.