North Korea is blamed for a series of massive DDoS (distributed denial-of-service) attacks on government and commercial websites in US and South Korea.
These politically motivated attacks first began on Saturday July 04, Independence Day in the US; following is a list of the US and South Korean websites targeted so far.

The latest cyber attacks remind us of the attacks against Georgian government websites last year during its conflict with Russia over South Ossetia (See our blog post).