There’s another Monero mining botnet that’s targeting China. Or maybe it’s one we’ve seen before.
Bloggers steeped in the hacker-verse recently exposed a URL spreading a botnet that looks suspiciously like one unleashed by the Outlaw hacking group last year.
Cryptocurrency wallet developer Komodo has effectively hacked its own customers to avert an attack that could have resulted in the theft of funds worth nearly $13 million.
North Korean hackers have allegedly attacked users of South Korean exchange UpBit with a clever phishing exploit.
According to data released by the security company East Security, the hacker attempted a cyberattack by sending a phishing e-mail on May 28. The subject of the mail suggested that UpBit needed more information for a customer’s fictional sweepstakes payout. The mail did not come from UpBit but from another server.
A security researcher from MyCrypto.com, Harry Denley, has posted a detailed – and damning – analysis of paper wallet site WalletGenerator.net.
The core of the analysis hinges on WalletGenerator’s original open-source code, available here. Until August 17, 2018 the online code matched the open-source code and the entire project generated wallets using a client-side technique that took in real random entropy and produced a unique wallet.
The purpose of this infographic is to visualize the size of large cryptocurrency hacks that have occurred in the past as if they all happened today. The hacks included in this infographic extend beyond exchanges, as there were other large entities that experienced cryptocurrency hacks, such as marketplaces like Silk Road 2.0. All hacks in this infographic are displayed as if the price of bitcoin was the same when they occurred, in order to visualize their magnitudes in relation to one another.
Cryptocurrency exchange Binance has announced that it is back online after completing a security upgrade prompted by a recent hack.
Kicking off at 03:00 UTC Wednesday, the upgrade meant that all services were suspended during this period, according to a Binance support message. A two-hour extension to the upgrade was announced this morning as some tasks took “longer than expected.
U.S.-based cryptocurrency investor and entrepreneur Michael Terpin has won over $75 million in a lawsuit related to a SIM-swapping fraud.
Terpin filed the case against 21-year-old Nicholas Truglia earlier this year, saying the Manhattan resident had defrauded him of cryptocurrencies after gaining control of his cellphone number. California Superior Court has now ordered Truglia to pay Terpin $75.8 million in compensatory and punitive damages, Reuters reported Saturday citing court documents.
Cryptocurrency exchange Binance said it is revamping security measures after losing some 7,000 bitcoin worth over $40 million in a hack earlier this week.
“Significant” changes related to its application programming interface (API), two-factor authentication (2FA) and withdrawal validation are being made, Binance CEO Changpeng Zhao said in a blog post published on Friday.
Binance, the biggest crypto exchange by volume, was hacked on Tuesday. The hacker took $40 million or 7000 BTC.
Binance had a chance to recover these funds. They could cut a deal with the majority hashpower miners. The miners would reverse the chain and gain a share of the stolen money.
A critical vulnerability on the programmatic lending platform MakerDAO could have made user funds irretrievable, according to security audit firm Zeppelin.
Discovered in the last few weeks, MakerDAO issued Monday an urgent plea to token holders of the MakerDAO platform, writing on Reddit:
“In partnership with Coinbase and Zeppelin, the Maker Foundation has been participating in a second round of audits of the Maker Voting Contract.
What started with a single tweet quickly turned into an escalating debate Wednesday when the CEO of one of the world’s largest cryptocurrency exchanges appeared to entertain the idea of encouraging revisions to the bitcoin blockchain.
Following Wednesday’s revelation that crypto exchange Binance was robbed of 7,000 BTC (worth about $40 million), a proposal was floated to conduct a transaction “reorg” on the bitcoin blockchain, sparking a fiery debate and community uproar.
A team at blockchain services company Coinfirm has been watching the erratic movements of the bitcoin associated with $40 million stolen in the latest Binance breach.
At 4:11 AM on May 8 the hacker or hackers moved 1214 BTC ($7.16 million) to new addresses and then moved another 1337 “to 2 new addresses held by the hacker.
Crypto security and intelligence firm CipherTrace has published its Q1 2019 Cryptocurrency Anti-Money Laundering Report, revealing that exchange platforms all over the world have lost nearly $400 million as a result of hacks and thefts.
Hacks Are Making Bank
According to the firm, the report is based on an analysis of 164 million Bitcoin-based transactions.
Losses arising from cryptocurrency hacks and fraud may have reached as high as $1.2 billion in the first quarter of the year, new research from blockchain analytics firm CipherTrace suggests.
The total figure includes over $356 million lost from exchanges (including QuadrigaCX’s $195 million) and over $850 million alleged to have been lost from the Bitfinex exchange by the New York Attorney General’s office last week.
Hackers who breached Microsoft Outlook have reportedly used the email service to steal cryptocurrency users’ funds.
Motherboard reported Tuesday that hackers had managed to gain access to Microsoft customer support employee’s accounts in recent weeks, after which they were able to access non-corporate email accounts, including in Hotmail and MSN.
Japanese cryptocurrency exchange Zaif, which was hacked for about $60 million last year, is under new management.
The exchange announced on its corporate website on Friday that, as of Monday, April 22, the firm will have signed over its business to publicly listed Japanese investment firm Fisco and full operations will be reinstated Tuesday.
The plan for the takeover was first aired in October 2018, and sees the exchange pass from its previous owner, Tech Bureau, to an existing crypto exchange owned Fisco.
This article was originally published by 8btc and written by Lylian Teng.
The Chinese security service provider 360 Security has issued a warning that a large number of crypto exchanges have been targeted by the North Korean hacker group Lazarus and that the number is still rising after the recent hacks of crypto exchanges DragonEx, Etbox and BiKi.
Around $6.2 million-worth of cryptocurrency was hacked from exchange accounts and wallet services in Japan last year, new data reveals.
According to Japanese news source Nikkei, the country’s National Police Agency (NPA) released its first annual report of statistics tracking thefts from cryptocurrency accounts on Thursday.
The data shows that at least 149 cases of hacking emerged last year, with 16 cryptocurrency exchanges affected, as well as three wallet operators, through which around 662 million Japanese yen was illegally remitted.
North Korean cybercrime hacking group The Lazarus Group is currently the biggest crypto hacking syndicate in the world, having stolen millions worth of cryptocurrencies from online exchanges. Also known as HIDDEN COBRA, which works at the behest of the North Korean government, the Lazarus Group has been responsible for some of the world's largest cyber attacks including the Sony hack in 2014, the Wannacry ransomware outbreak, military espionage and a number of attacks on South Korean businesses.
On Friday, February 9, 2018, Italian cryptocurrency exchange BitGrail announced that “internal checks revealed unauthorized transactions which led to a 17 million Nano [XRB] shortfall, an amount forming part of the wallet managed by BitGrail.
Following one of the largest hacks in the history of cryptocurrency, Japanese cryptocurrency exchange Coincheck has announced that it will comply with an order from Japan’s Financial Services Agency to improve its business operations.
On January 13, an unknown hacker(s) hijacked the DNS server for BlackWallet.co, a web-based wallet for the Stellar Lumens cryptocurrency, and redirected it to their own server.
Security researcher Kevin Beaumont, who analyzed the code, said, “The DNS hijack of Blackwallet injected code, if you had over 20 Lumens it pushes them to a different wallet.
South Korean exchange Youbit announced on its website today that it is closing down after a hack early Tuesday, December 19, 2017, that resulted in the loss of 17 percent of its assets.
The exchange, previously known as Yapizon, did not indicate how many bitcoins or other cryptocurrencies were stolen or what the total fiat value of the attack amounted to, but it was enough to lead to bankruptcy.
Tether, a cryptocurrency pegged 1-to-1 to the U.S. dollar, was allegedly hacked this week to the tune of $31 million.
Tether functions to convert U.S. dollars to a type of cryptocurrency. The project’s token (USDT) is pegged to the dollar and is used in exchange trading. The idea behind Tether is that instead of having to sell your bitcoin or other token for a fiat currency, you can convert it to USDT, and either hold it in USDT or else transfer your USDT to another exchange and use it to purchase tokens there.
After an unidentified actor “accidentally” triggered a series of bugs that destroyed approximately $150 million worth of digital currency, the world waits for a substantive answer — is this vulnerability an anomaly? An “I told you so”? Or a humbling opportunity to secure the Ethereum network?
On November 6, “Devops199,” an alleged amateur programmer, set off a chain of bugs on Parity, a popular digital wallet for Ethereum.
Кто знает подойдет ли этот кошелек для постоянного приема в сатоши? Я просто майнить не решился, но написал несколько ботов для того, чтобы они собирали с кранов монеты. Я так понял, что это веб-кошел...