South Korean crypto exchange UpBit has confirmed that 342,000 ETH was sent to an unknown wallet and customer losses will be compensated
Source: https://cointelegraph.com/news/breaking-crypto-exchange-upbit-confirms-theft-of-342-000-ether-50m
BREAKING: Crypto Exchange UpBit Confirms Theft of 342,000 Ether — $50M
November 27, 2019
CoinTelegraph