A South Korean exchange Youbit announced, it went into bankruptcy after been attacked by hackers and a total of 17% of its assets are been compromised. Youbit already has faced a attack in late march which resulted in loosing of 4000 bitcoins. They suspect the hackers might belong to North Korea according to their ip stats and reports.
Read next
North Korea's Crypto Laundering Allegations: Big Move Against State Hackers?mirzaiqi · 
North Korea and the Growing Problem of Crypto Money Launderingadnanzzzz3 · 
“Trump orders reduction of UFS over dissatisfaction over South Korea’s $350 billion investment delay,” Politicoyann03 · The $89 Million Cold-Wallet Wake-Up Call: When "Self-Custody" Becomes the Attack Surfacecryptocoinkb ·
From @shisuiuchiha