South Korean crypto exchange Bithumb has had around $13 million in the stolen in a hack it suspects was an insider job.
The company confirmed in on Saturday that it first spotted an “abnormal withdrawal” of the through its monitoring system at 22:00 Korean time (13:00 UTC) on Friday, March 29.
The exchange suspended asset withdrawals and deposits on the platform after noticing the breach.
Bithumb stated:
“All the [stolen] is owned by the company, and all members’ assets are under the protection of a cold .”
According to a from CoinDesk Korea, the exchange was hacked for a total of 3.07 million , which was withdrawn from the exchange’s “hot” (internet connected) through a series of transactions.
Based on the from CoinMarketCap, is currently at $4.22, making the total value of the coins lost around $13 million.
The company said in its statement that it suspects the hack was conducted by an insider, since no evidence of external exploit has been found.
Bithumb has already notified government agencies and is conducting an internal investigation. It said it’s also working with major exchanges with the expectation of recovering some of the funds.
Additionally, the remaining assets in Bithumb’s hot have been removed to its cold (offline) to prevent further losses until the manner of the breach has been identified and any vulnerabilities fixed.
According to CoinDesk Korea, Lee Sang Sun, described as one of the only arbitrators in South Korea, said, “Overseas exchanges such as Bitfinex manage their wallets with a multisig system, but Bithumb managed its with a single key.” However, this detail is not confirmed at press time.
The comes nearly a year after for some $30 million-worth of . The exchange experienced an initial loss of 2,016 , 2,219 ether and other coins, but later $14 million-worth of the hacked funds.
Editor’s note: Some statements were translated from Korean.
Bithumb image via Shutterstock
Published at Sat, 30 Mar 2019 11:08:39 +0000
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