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.
Grinex, a Kyrgyzstan-incorporated cryptocurrency exchange sanctioned by the U.K. and the U.S. last year, said it's suspending operations after it blamed Western intelligence agencies for a $13.74 million hack
Kyrgyzstan-based cryptocurrency exchange Grinex has suspended its operations after suffering a $13.7 million hack attributed to Western intelligence agencies. [...]
Social engineering: 'low-cost, hard to patch, and scales well' North Korean criminals set on stealing Apple users' credentials and cryptocurrency are using a combination of social engineering and a fake Zoom software update to trick people into manually running malware on their own computers, according to Microsoft.…
Also: ZachXBT Uncovers DPRK Worker Scam, Hyperbridge Hack, Coinone FineThis week, Operation Atlantic disrupts $45M phishing fraud, ZachXBT uncovers DPRK crypto worker scheme, Hyperbridge exploit, South Korea fines Coinone $3.5M, Kraken faces extortion attempt over insider data leak and American musician loses $420K in fake Ledger app.
A "novel" social engineering campaign has been observed abusing Obsidian, a cross-platform note-taking application, as an initial access vector to distribute a previously undocumented Windows remote access trojan called PHANTOMPULSE in attacks targeting individuals in the financial and cryptocurrency sectors
Latest in a string of cases that have earned France an unfortunate title A mother and her ten-year-old son are now free after being kidnapped for around 20 hours while the father was being extorted for hundreds of thousands of euros.…
The Kraken cryptocurrency exchange announced that a cybercrime group is trying to extort the company by threatening to release videos showing internal systems that host client data. [...]
A malicious Ledger Live app for macOS available from Apple's App Store has drained approximately $9.5 million in cryptocurrency from 50 victims in just a few days this month. [...]
Banks and financial institutions in Latin American countries like Brazil and Mexico have continued to be the target of a malware family called JanelaRAT
UK, US and Canadian authorities have identified over 20,000 victims of approval phishing scams that trick users into handing over full crypto wallet access