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.
Ethereum blockchain analytics firm Nansen asks a subset of its users to reset passwords following a recent data breach at its authentication provider. [...]
NCSC hopes research will inform future standards
The GitLab code hijacks computer resources to mine Dero cryptocurrency as part of a larger cryptomining operation.
Scammers are impersonating the bankruptcy claim agent for crypto lender Celsius in phishing attacks that attempt to steal funds from cryptocurrency wallets. [...]
Sophos researchers highlight a highly sophisticated operation utilizing fake trading pools of cryptocurrency from DeFi trading applications
A novel cloud-native cryptojacking operation has set its eyes on uncommon Amazon Web Services (AWS) offerings such as AWS Amplify, AWS Fargate, and Amazon SageMaker to illicitly mine cryptocurrency
TikTok is flooded by a surge of fake cryptocurrency giveaways posted to the video-sharing platform, with almost all of the videos pretending to be themes based on Elon Musk, Tesla, or SpaceX. [...]