Cryptocurrency security covers theft, fraud, ransomware payments, wallet compromise, and blockchain risks involving digital assets and transactions.
Search across headline titles and summaries.
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.
Oligo Security has warned of ongoing attacks exploiting a two-year-old security flaw in the Ray open-source artificial intelligence (AI) framework to turn infected clusters with NVIDIA GPUs into a self-replicating cryptocurrency mining botnet
Cybersecurity researchers have warned of an actively expanding botnet dubbed Tsundere that's targeting Windows users
This week has been crazy in the world of hacking and online security. From Thailand to London to the US, we've seen arrests, spies at work, and big power moves online. Hackers are getting caught. Spies are getting better at their jobs. Even simple things like browser add-ons and smart home gadgets are being used to attack people
Cybersecurity researchers have discovered a set of seven npm packages published by a single threat actor that leverages a cloaking service called Adspect to differentiate between real victims and security researchers to ultimately redirect them to sketchy crypto-themed sites