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.
Microsoft Details OAuth Tactics, Says Losses Reached Up to $1.5M Per VictimHackers are exploiting OAuth applications to compromise user accounts, manipulate and confer elevated privileges, and set up cryptomining operations, which has cost some organizations up to $1.5 million in losses, according to Microsoft's Threat Intelligence team.
Sanctioned Individuals Operated Investment Scams in Myanmar, Cambodia and LaosThe U.K. government has sanctioned 14 individuals and groups that illegally employed human trafficking victims in online crypto and investment scams. Sanctioned individuals include a Chinese national previously targeted by the U.S. Treasury for running a gambling and trafficking business in Laos.