Experience with Quantum Key Distribution (Q14c) Konstantinos Karagiannis is the Chief Technology Officer for Security Consulting in BT Americas. In addition to guiding the technical direction of ethical hacking and security engagements, Konstantinos has extensive experience in hacking financial applications. He has spoken at dozens of technical conferences around the world, including Black Hat, RSA, and ISF World Security Congress. Konstantinos began as a Physics major before finding his way to the world of hacking, and enjoys probing how everything works, from programs to particles. He is currently working on a book exploring how Quantum Computing will impact InfoSec.