Duncan is a consultant security engineer specialising in infrastructure security. Earlier in his career infra-sec was focused on physical DCs, networks and servers - now it's all about securing cloud infrastructure and services. Duncan spent a number of years working in network defence undertaking top secret work for the British government and had a diversion helping a telco in Mozambique re-engineer their networks. Before becoming a consultant he spent a few years at Amazon.com deploying network monitoring at scale and helping establish a new security monitoring team.