Author Archive

Jungwoo Ryoo

Jungwoo Ryoo is a professor of information sciences and technology at the Altoona campus of Pennsylvania State University.
Cybersecurity

The challenge of authenticating real humans in a digital world

While cameras, sensors and other devices can make authentication easier for people to accomplish, they carry their own weaknesses.

Cybersecurity

The age of hacking brings a return to the physical key

Combining a password management program with a chipped Universal Second Factor key can create very strong passwords that users don’t need to memorize.