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.
Researchers have disclosed details about a now-patched critical flaw in the Move virtual machine that powers the Aptos blockchain network
A now-patched vulnerability in VMware Workspace ONE Access has been observed being exploited to deliver both cryptocurrency miners and ransomware on affected machines
On Wednesday, two Massachusetts men were sentenced to more than two years in prison each for stealing cryptocurrency in SIM swapping attacks and hijacking their victims' social media accounts. [...]
Most of the funds were later returned following negotiations with the hacker
Our honeypots caught malicious cryptocurrency miner samples targeting the cloud and containers, and its routines are reminiscent of the routines employed by cybercriminal group TeamTNT, which was said to have quit in November 2021. Our investigation shows that another threat actor group, WatchDog, might be mimicking TeamTNT’s arsenal.
New Crypto Source program extends Mastercard’s safe, secure, and trusted services.
Both cryptocurrency and ransomware are nothing new in the digital world; both have been there for a very long time, which was enough for them to find common pieces for starting their relationship
Don’t let the ongoing “crypto winter” lull you into a false sense of cybersecurity. Even as cryptocurrencies lose value — and some crypto companies file for bankruptcy — cryptojacking still poses an urgent threat to enterprises across industries, from financial services to healthcare to industry 4.0 and beyond. Broadly speaking, cryptojacking is defined as the unauthorized and illegitimate use