Hackers stole cryptocurrency valued at 35 billion won ($31.6 million), according to South Korean exchange Bithumb.
In reaction to the event, the exchange stopped user withdrawals, temporarily halted deposits, and transferred all money to cold wallets.
As of this writing, Bithumb has declared that it will reimburse losses but has not provided any information regarding the security incident.
Experts contended that the total amount of money taken at the time was higher than first believed.
Source: https://securityaffairs.com/73720/data-breach/bithumb-hack.html
TPRM report: https://scoringcyber.rankiteo.com/company/bithumb-official
"id": "bit54251223",
"linkid": "bithumb-official",
"type": "Data Leak",
"date": "06/2018",
"severity": "85",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"{'affected_entities': [{'industry': 'Financial Services',
'location': 'South Korea',
'name': 'Bithumb',
'type': 'Cryptocurrency Exchange'}],
'customer_advisories': ['Declared reimbursement of losses'],
'description': 'Hackers stole cryptocurrency valued at 35 billion won ($31.6 '
'million), according to South Korean exchange Bithumb.',
'impact': {'financial_loss': '35 billion won ($31.6 million)'},
'motivation': 'Financial Gain',
'references': [{'source': 'Bithumb'}],
'response': {'communication_strategy': ['Declared reimbursement of losses'],
'containment_measures': ['Stopped user withdrawals',
'Temporarily halted deposits',
'Transferred all money to cold '
'wallets']},
'threat_actor': 'Hackers',
'title': 'Bithumb Cryptocurrency Theft',
'type': 'Cryptocurrency Theft'}