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North Korean Hackers Threatened Bithumb Exchange With a $16M Ransom Amid the 2017 Data Breach, Says Report

A new report commissioned by the U.S. secret services unveiled what happened behind the attack launched by North Korean hackers against a South Korean crypto exchange. The case is about a breach on June 29, 2017, which exposed data tied to over 30,000 customers stemming from Bithumb.
Hackers Threatened to ‘Destroy’ Data and Cryptos Stolen
According to Maeil Kyungjae, the U.S. authorities found that North Korean hackers got access to personal data and funds from customers then demanded a ransom payment afterward. The blackmailers targeted the crypto exchange Bithumb by asking them for 20 billion won ($16 million).
Moreover, threat actors are also accused of sending malicious code through fake job applications to Bithumb employees. It was done reportedly during a hiring season that the company had over that year.
The Federal Bureau of Investigation (FBI) collaborated with the South Korean authorities in making the correspondent inquiries on the case. On the ransom note, hackers threatened Bithumb to “sell or destroy the customer’s virtual currency unless a certain amount is given.”
Although the name of the cybercriminals wasn’t specified in the U.S. security report, Lazarus Group could likely be the masterminds of the attack.
In fact, the local media outlet related them with past significant cyberattacks, whose authorships are attributed in the indictments filed by the U.S. Department of Justice (DOJ) to hackers “belonging to the North Korean Reconnaissance Office,” which are more specifically Lazarus Group.

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