North Korean Hackers Attacked South Korean Exchanges, NIS Claims

As originally reported by local media outlets, the South Korean National Intelligence Service has traced previous hackings of domestic cryptocurrency exchanges back to the North.  North vs. South This Saturday, South Korean newspapers recapped reports by the NIS that claimed North Korean hackers were behind an attack on the Bithumb exchange. The hack, which began after an employee’s PC was compromised, leaked personal details of some 36,000 user accounts.  The attack supposedly occurred this past February, but Bithumb was not aware of the breach until June. According to reports, the hackers demanded 6 billion won (US$5.5 million) in exchange for deleting the