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.
More than $28m in crypto-coins found in home, it is claimed US prosecutors on Thursday said they have extradited a Canadian man to America to face charges that he conspired to distribute ransomware.…
Be careful when downloading a tool to cyber-target Russia: It could be an infostealer wolf dressed in sheep's clothing that grabs your cryptocurrency info instead.
FinCEN warns financial institutions to beware of unusual cryptocurrency payments or illegal transactions Russia may use to evade restrictions imposed due to its invasion of Ukraine.
Crypto firms say digital currency unlikely to be used to evade sanctions
Three stories here last week pored over several years’ worth of internal chat records stolen from the Conti ransomware group, the most profitable ransomware gang in operation today. The candid messages revealed how Conti evaded law enforcement and intelligence agencies, what it was like on a typical day at the Conti office, and how Conti secured the digital weaponry used in their attacks. This final post on the Conti conversations explores different schemes that Conti pursued to invest in and steal cryptocurrencies.
Combined technology mitigates loss with improved detection of ransomware and cryptojacking attacks.
Coinbase, one of the most popular cryptocurrency exchange platforms, announced today that it's blocking access to more than 25,000 blockchain addresses linked to Russian individuals and entities. [...]