Ubiquitous, fast and cheap access to the Internet has upended Korean society in dramatically unexpected ways.

FORBES: Korea's Weird Wired World

There were also reports of skulls popping up on some computer screens, which could indicate that hackers had installed malicious code in the networks, the Korean Internet Security Agency said.

BBC: South Korea network attack 'a computer virus'

In the immediate aftermath of the incident, South Korean internet service provider LG Uplus said it believed its network had been hacked, Reuters news agency reported.

BBC: South Korea network attack 'a computer virus'

Many who live in North America wouldn't put Hyundai at the forefront of in-car technology, but the Korean au hoping to change that reputation by 2014 with a more internet- and mobile-savvy platform.

ENGADGET