Rear Adm. Danelle Barrett, USN, the US Navy’s director of cyber security, discusses improving cyber security, changing culture, training better cyber leaders, information warfare and more with Defense & Aerospace Report Editor Vago Muradian. The interview was conducted at the Navy League’s 2019 Sea Air Space conference and tradeshow near Washington where our coverage was sponsored by GE Marine, Huntington Ingalls Industries and Leonardo DRS.