At 2018/07/03 20:18:00 (UTC), irregular trades were detected from a number of users, triggering the internal risk management system of Binance. As such, Binance made a timely decision to suspend trading, withdrawals and other account functions. 11 Sys coin was bought at 96BTC.
The hackers got a hold of Binance API keys and used users Bitcoin balances to buy the overpriced $SYS they listed for sale. It’s unclear if the hackers got their money out of Binance yet but there were transfers of $50M out of Binance near the same time.
Binance have activated another Feature named as SAFU, To protect the future interests of all users, Binance will create a Secure Asset Fund for Users (SAFU)