In South Korea, the internet is heavily censored. The Korea Communication Standards Division regularly deletes websites that feature pornography, propaganda for North Korea, unrated video games, or negative remarks about the South Korean government.
Furthermore, whereas other parts of the world recognize truth as a defense against defamation, South Korean law does not: you may still face legal repercussions even if your reputation is damaged by what you say.
These restrictions are frequently employed to silence critics of the government or people who release information that is considered in the public’s best interests.