Yes but. . .
Yes but who won the election: i.e. what is the possibility that this actually effected the outcome of the election?
A political scandal is brewing in Korea over alleged denial of service attacks against the National Election Commission (NEC) website. Police have arrested the 27-year-old personal assistant of ruling Grand National Party politician Choi Gu-sik over the alleged cyber-assault, which disrupted a Seoul mayoral by-election back in …
http://english.hani.co.kr/arti/english_edition/e_editorial/510303.html
"The police have admitted that around the time the National Election Commission website was disabled by a distributed denial of service (DDoS) attack, a large amount of money changed hands among Grand National Party figures who were subsequently arrested in connection with it. [...]"