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.

By Jungwoo Ryoo
November 9, 2017

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.

By Jungwoo Ryoo
March 23, 2017

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