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The Hacker News — Latest Cyber Security, Hacking & Tech News: Bitcoin exchange hacked

Bitcoin Price Drops 20% After $72 Million in Bitcoin Stolen from Bitfinex Exchange

Bitcoin Price Drops 20% After $72 Million in Bitcoin Stolen from Bitfinex Exchange

August 03, 2016Mohit Kumar
Yet another blow to Bitcoin: One of the world's most popular exchanges of the cryptocurrency has suffered a major hack, leading to a loss of around $72 Million worth of Bitcoins. Hong Kong-based Bitcoin exchange ' Bitfinex ' has posted a note on their website announcing the shutdown of its operation after discovering a security breach that allowed an attacker to steal some user funds. While the company did not mention a total amount lost in the breach, one of their employees — Bitfinex community director Zane Tackett — confirmed on Reddit that the total amount stolen was 119,756 bitcoins — worth up to $72 Million in cash. The cause of the security breach and the hacker behind the incident is still unclear, but the attackers appear to have mysteriously bypassed Bitfinex’s mandated limits on withdrawals. "The theft is being reported to — and we are co-operating with — law enforcement," Bitfinex statement reads. "We will look at various options to
Mt.Gox Bitcoin Exchange CEO Arrested by Japanese Police

Mt.Gox Bitcoin Exchange CEO Arrested by Japanese Police

August 03, 2015Mohit Kumar
Remember  Mt.Gox ? Once the world’s largest Bitcoin exchange… ...then in early 2014, Tokyo-based Mt.Gox Bitcoin exchange filed for bankruptcy saying it lost some 8,50,000 Bitcoins (worth $64 Million) to hackers and suddenly went dark with no explanation. Last Friday, Mark Karpeles , the former CEO of the collapsed Mt.Gox, was arrested by Tokyo Metropolitan Police in connection with the disappearance of Bitcoins worth £247 Million. Police believe Mr. Karpeles had accessed the computer system of the Bitcoin exchange and manipulated the outstanding balance to cover up fraudulent transactions. The company said at the time that 750,000 customers’ Bitcoins and another 100,000 belonging to the exchange were stolen due to an unknown vulnerability in the company’s software. While he is not yet been charged, the authorities are investigating his involvement in the stealing of Millions of dollars of the Bitcoin virtual currency when the exchange collapsed in 2014. Mt
 $1.75 Million in Bitcoin Stolen from Chinese BTER Bitcoin Exchange

$1.75 Million in Bitcoin Stolen from Chinese BTER Bitcoin Exchange

February 16, 2015Swati Khandelwal
The most popular Chinese Bitcoin exchange BTER announced that it has been hacked on Valentine’s Day and lost more than £1.1 Million-worth ($1.75 Million; one BTC is about $270) of the digital currency. The Bitcoin Exchange hasn't revealed more details about suspects behind the breach or how the cold wallets were compromised, except that 7,170 Bitcoin cryptocurrency was stolen from the company's " cold wallets ," a way of storing the digital currency offline. " All wallets have been shut down and withdrawals of unaffected coins will be arranged later, " the official website of BTER Bitcoin exchange states. Internet sleuths are already on the hunt to trace the missing Bitcoin. Because of the way the digital currency works, it is possible to trace any transaction or funds easily by using public available service, called " blockchain ." According to the announcement, the stolen Bitcoin cryptocurrencies were broadcast through the trans
Danish Bitcoin exchange BIPS hacked and 1,295 Bitcoins worth $1 Million Stolen

Danish Bitcoin exchange BIPS hacked and 1,295 Bitcoins worth $1 Million Stolen

November 25, 2013Swati Khandelwal
The breaking news is that, another Bitcoin exchange  company gets hacked i.e. BIPS ( bips.me ), one of the largest European Danish Bitcoin payment processors. On Friday evening, a bunch of cyber criminals just broke into BIPs - Bitcoin payment processor servers and wiped out around 1,295 Bitcoin from people’s wallets, currently worth $1 Million. More than 22,000 consumer wallets have been compromised and BIPS will be contacting the affected users. Initially on 15th November, Hackers launched Distributed Denial of Service (DDoS) attack on BIPS, originate from Russia and neighboring countries and then hackers attacked again on 17th November. This time somehow they got access to several online Bitcoin wallets, which allowed them to steal the 1,295 BTC. " As a consequence Bips will temporarily close down the wallet initiative to focus on real-time merchant processing business which does not include storing of Bitcoins. " company says. " All existing users will be aske
Bitcash.cz Bitcoin Exchange hacked; Money from 4000 Bitcoin wallets Stolen

Bitcash.cz Bitcoin Exchange hacked; Money from 4000 Bitcoin wallets Stolen

November 13, 2013Mohit Kumar
Another Bitcoin Exchange hacked!  Bitcash. CZ based out of the Czech Republic has been hacked and Money from 4000 Bitcoin wallets have been Stolen, value of over 2 million Czech Koruna i.e. Approx $100,000. Bitcash.cz  is currently down with a maintenance message that on the evening of November 11, their server was compromised by unknown Hackers and  bitcoins from its clients were stolen. Hackers appear to have sent emails from Bitcash.cz email accounts pretending to be members of staff. The emails claim the company had to use a US recovery company to get back the bitcoins that have been stolen and recipients are then apparently asked to send 2 BTC to a wallet address in order for their bitcoins to be returned. " We are trying to resolve the situation, but we want to warn our users about fraudulent emails and scams [claiming to be from Bitcash] " site said on their Facebook page. Meanwhile, GBL, the Chinese Bitcoin exchange mysteriously disappeared, t
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