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.
Cybersecurity researchers have discovered a set of malicious apps on the Apple App Store that impersonate popular cryptocurrency wallets in an attempt to steal recovery phrases and private keys since at least fall 2025
Also: Updates in KelpDAO, Drift, Hyperbridge HacksThis week, Grinex was exploited, a hacker laundered KelpDAO funds, Circle was sued over $280M Drift hack, Rhea Finance and Volo Protocol were exploited, update in Hyperbridge hack, sentencing in art scam case, a French home invasion for crypto theft and eth.limo hijack thwarted.
Data from browsers, cryptocurrency wallets, 200+ extensions hoovered up A ClickFix campaign targeting macOS users delivers an AppleScript-based infostealer that collects credentials and live session cookies from 14 browsers, 16 cryptocurrency wallets, and more than 200 extensions.…
A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer of 2022 that allowed the group to hack into at least a dozen major technology companies and steal tens of millions of dollars worth of cryptocurrency from investors.
North Korea’s Lazarus Group is pegged for a $290m crypto theft at KelpDAO
State-sponsored North Korean hackers are likely behind the $290 million crypto-heist that impacted the KelpDAO DeFi project on Saturday. [...]
A set of 26 malicious apps on Apple App Store impersonate popular wallets, such as Metamask, Coinbase, Trust Wallet, and OneKey, to steal recovery or seed phrases and drain them of cryptocurrency assets. [...]
Tyler Buchanan admits role in scheme that stole at least $8 million in virtual currency A Scottish man linked to the Scattered Spider cybercrime crew has pleaded guilty in the US to a phishing and SIM-swap scheme that stole at least $8 million in cryptocurrency.…
A British man, believed to be the leader of the Scattered Spider cybercrime collective, has pleaded guilty in the United States to charges of wire fraud and aggravated identity theft. [...]
Russian crypto-exchange Grinex claims Western intelligence agencies were behind a $13m heist