Aernout is responsible for the security of all BT Group's international activities - technology platforms, services, people, physical estate, cyber, and contractual arrangements with customers and suppliers. Aernout joined BT Global Services in 2001, and after several positions in the UK in the Global Networks and Systems division he moved into security to oversee the integration of 27 companies acquired by BT (2005-2009), before becoming CSO for EMEA. Today as Head of Security for BT outside the UK he enjoys working closely with the business and sets a security strategy on the basis of ‘think global, act local’.