Cryptocurrency security covers theft, fraud, ransomware payments, wallet compromise, and blockchain risks involving digital assets and transactions.
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Background for this topic.
Cryptocurrency is a digital asset secured by cryptography and recorded on a decentralized blockchain ledger. It enables peer-to-peer transactions without intermediaries, relying on consensus mechanisms like proof-of-work or proof-of-stake to validate and add transaction blocks. Users control funds through private keys, which are critical for accessing and transferring cryptocurrency.
From an information security perspective, protecting private keys is paramount, as their compromise leads to irreversible theft. Cryptocurrency exchanges and wallet software are frequent targets for hacking, requiring robust security controls and vulnerability management. Additionally, the pseudonymous nature of transactions can facilitate illicit activities, challenging efforts to trace funds and enforce compliance. Defenses include hardware wallets, multi-factor authentication, and secure key management practices to mitigate risks inherent in cryptocurrency operations.
Google reveals North Korean hackers are using EtherHiding, a blockchain-based technique, to deliver malware and steal cryptocurrency
Also: Trader Loses $21M on Hyperliquid, Fund for Tornado Cash Dev DefenseThis week, "Bitcoin Jesus" paid $50M to settle tax charges, a trader lost $21M on Hyperliquid, Ethereum Foundation and Keyring launched fund for Tornado Cash developers, India probing Binance traders, hackers' $32.5M record dump and New York City launched first mayoral blockchain office.
State, Criminal Hackers Use Blockchain Technique to Evade TakedownsGoogle's Threat Intelligence Group found hacking groups like North Korea's UNC5342 and criminal group UNC5142 using a public blockchain technique called EtherHiding to distribute malware. The method makes attacks tougher to trace, block or dismantle.
A threat actor with ties to the Democratic People's Republic of Korea (aka North Korea) has been observed leveraging the EtherHiding technique to distribute malware and enable cryptocurrency theft, marking the first time a state-sponsored hacking group has embraced the method
A financially motivated threat actor codenamed UNC5142 has been observed abusing blockchain smart contracts as a way to facilitate the distribution of information stealers such as Atomic (AMOS), Lumma, Rhadamanthys (aka RADTHIEF), and Vidar, targeting both Windows and Apple macOS systems
North Korean hackers were observed employing the 'EtherHiding' tactic to deliver malware, steal cryptocurrency, and perform espionage with stealth and resilience. [...]
The online world is changing fast. Every week, new scams, hacks, and tricks show how easy it’s become to turn everyday technology into a weapon. Tools made to help us work, connect, and stay safe are now being used to steal, spy, and deceive
A threat actor called TigerJack is constantly targeting developers with malicious extensions published on Microsoft's Visual Code (VSCode) marketplace and OpenVSX registry to steal cryptocurrency and plant backdoors. [...]
The U.S. Department of Justice has seized $15 billion in bitcoin from the leader of Prince Group, a criminal organization that stole billions of dollars from victims in the United States through cryptocurrency investment scams, also known as romance baiting or pig butchering. [...]