WithSecure’s™ special report explains how organizations must rethink supply chain cyber security to avoid the ‘Butterfly Effect’ which is the case of small mistakes or oversights having much larger and more serious consequences later on. For the C-Suite, the lessons are numerous and sometimes unexpected, as business and IT leaders from different industries explain. WithSecure™ spoke to security leaders in a range of digital, physical, and hybrid businesses, together with security experts and consultants. Some are quoted and others not, but all their viewpoints inform this document’s contents. External interviewees appear under Chatham House rules.