South Korean Exchange stolen for Millions of Dollars

Bithumb, one of the largest cryptocurrency exchanges in the world, has been hacked to the tune of 35 billion won, has to repay customers from its own pocket
20 June 2018   983

All the deposits were stopped by the exchange at approximately 00:53 UTC and started transferring large amounts of Ethereum into cold wallets. Cold wallets are digital wallets that are not connected to the internet. As claimed at the local news outlet JoongAng Daily, the company performed an “urgent” security check on the 16th of the month, particulary preparing to move passwords to a cold wallet in preparation for an attack.

Bithumb on Twitter
Bithumb on Twitter

Actually the hack happened on the 19th, according to CoinTelegraph Japan that refers hack detection service Sentinel Protocol. Ripple was among the  stolen denominations. Bithumb has undertaken to repay clients from its own pocket, according to JoongAng Daily.

If you have any damage to your password, I will make full compensation to your company. I do not have any damage to you, so please do not be anxious.
Bithumb
South Korean Exchange on their Twitter

In July 2017 Bithumb was also hacked, when the personal data of 30,000 users was stolen. The scammers used this information in order to access money in many people’s accounts. Nevertheless, the exchange valued its profits grew by 171 percent during the year of  2017. It was processing around $200 million in cryptocurrency trading a day, and today that figure is $400 million, making it the sixth biggest crypto exchange in the world in April 2018.

It collaborated in January with the a major shopping mall in South Korea, enabling cryptocurrency payments at outlets on the site. In March it declared about the plans to introduce Bitcoin ATMs and Bitcoin payments at food kiosks over a partnership with some local kiosk manufacturers.

Bithumb to be Charged With Users' Data Leak in 2017

According to the Prosecutor's Office of South Seoul, this situation has lead to second hack of Bithumb in 2017, when $7M were stolen
21 June 2019   779

The Prosecutor's Office of South Seoul has charged one of the largest Bitcoin exchanges in South Korea, Bithumb, with a leak of confidential financial data of over 31 thousand users, as a result of which in July 2017 considerable funds were stolen from the platform. This is reported by Cryptonews with reference to ZDNet Korea.

In addition to Bithumb, in the framework of the same case, accusations of violating the law on managing information networks and the law on information protection were brought against the travel agency Hana Tour and With Innovation, the operator of the hotel booking application Yeogi Eottae.

The prosecutor's office believes that Bithumb did not take adequate measures to ensure security. In particular, all data about users received hackers was stored on one computer, and the employee of the exchange who worked on this device did not even use anti-virus programs.

The prosecutor's office also believes that this leak led to second hack of Bithumb in 2017, which resulted in nearly $ 7 million being stolen. Representatives of the exchange have denied the connection between these incidents, however.