Explore a 20-minute conference talk from USENIX Enigma 2017 featuring Dr. Ian Levy of the UK National Cyber Security Centre. Delve into the launch of the NCSC and its mission to defend the UK against cyberattacks. Learn about the National Cyber Security Strategy and its unique approach to implementing national-scale technical solutions. Discover how the NCSC uses objective evidence and data to inform cybersecurity decisions and investments, aiming to reduce both the frequency and impact of attacks. Gain insights into the interventions implemented by the NCSC and the lessons learned, supported by real data and analysis. Topics covered include the NCSC's new building, industry and degrees, FAA website security, the Anderson study of 1972, Heartbleed 2014, active cyber defense, password guidance, trust in email, harm reduction, recursive DNS, ISP protection, and the importance of science in cybersecurity.