The 4^th Copenhagen Cybercrime Conference took place on June 9, 2016 at the headquarters of the Confederation of Danish Industry. The conference was co-organized by CSIS Security Group, DI and the Danish Bankers’ Association and was attended by over 280 IT security professionals from a variety of industries. The conference featured a keynote by Eugene Kaspersky, the founder and CEO of Kaspersky Lab, who reflected on the dark ages of cyber security. Other topics that resonated at the CCCC16 were e.g. hacker attack against the energy company NRGi, consequences of the GDPR for the use of modern technologies or the (in)security of modern Iot devices.