Justine has been a leader in cybersecurity and cryptography for more than 25 years. She served as CISO at Bloomberg, LP, where she founded the information security group, as CEO of offensive security company Immunity, Inc., and as CEO of medical security research firm MedSec, where her work led directly to FDA recalls of implantable medical devices. She served for years as a member of the Blackhat Review Board and Blackhat’s CISO Summit Advisory Board, and as Head of Infrastructure and Information Security at Dow Jones, where Justine led cloud transformation and information security. She has advised several Fortune 50 companies and continues to serve on the Advisory Board of HP.