jeff deifik
Jeff Deifik has a MS in Cybersecurity and a CISSP and C|CISO credentials. His
interest in the intersection of cybersecurity and software development began
with white hat password cracking over 30 years ago. Career projects included
ten years at the first e-commerce system (from 1985-1995), the first orbiting
radio telescope satellite, the worlds most advanced pulse oxineter, and most
recently cybersecurity for government satellite ground control, balancing
sound cybersecurity with cost and schedule. He is currently employed at The
Aerospace Corp.
Session
My experience cracking 936 million passwords.
It is challenging to crack passwords at scale.
I will discuss the hardware I used, tools used, wordlists, custom rules,
CPU vs GPU tradeoff, found password statistics and defenses against password
cracking. To date, I have found 92.9% of the passwords.