EXMO

Exmo, a cryptocurrency exchange, has suffered a major security breach causing the platform to freeze all withdrawals.

Exmo detected suspicious withdrawal activity with large amounts of major coins like Bitcoin.

Other affected cryptocurrencies included Ether.

Source: https://cointelegraph.com/news/exmo-crypto-exchange-suffers-hack-halts-all-withdrawals

"id": "EXM057121122",
"linkid": "exmo-exchange-ltd",
"type": "Cyber Attack",
"date": "12/2020",
"severity": "100",
"impact": "6",
"explanation": "Attack threatening the economy of a geographical region"