https://binance.zendesk.com/hc/en-us/articles/360028031711
We have discovered a large scale security breach today, May 7, 2019 at 17:15:24. Hackers were able to obtain a large number of user API keys, 2FA codes, and potentially other info. The hackers used a variety of techniques, including phishing, viruses and other attacks. We are still concluding all possible methods used. There may also be additional affected accounts that have not been identified yet.
The hackers were able to withdraw 7000 BTC in this one transaction: