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.
Threat hunters have disclosed two different malware campaigns that have targeted vulnerabilities and misconfigurations across cloud environments to deliver cryptocurrency miners
Also: CoinDCX's $44 Million Exploit, Crypto Theft Hit $2.17B in First Half of 2025This week, Russia crypto laundering in Krygyzstan, CoinDCX lost $44M in a hack, the U.S. sought $7.1M in crypto linked to oil tank investment scam, Ex-NCA officer was jailed for stealing seized bitcoin, crypto thefts hit $2.17B in the first half of 2025 and Trump Media revealed $2B bitcoin holdings.
Wiz believes the active campaign is part of a broader crypto-scam infrastructure, which uses a wide range of exploitation techniques
It's the first known instance of malware that abuses the UIA framework and has enabled dozens of attacks against banks and crypto exchanges in Brazil.
The threat actor behind the exploitation of vulnerable Craft Content Management System (CMS) instances has shifted its tactics to target Magento CMS and misconfigured Docker instances
The Windows banking trojan known as Coyote has become the first known malware strain to exploit the Windows accessibility framework called UI Automation (UIA) to harvest sensitive information
A new variant of the banking trojan 'Coyote' has begun abusing a Windows accessibility feature, Microsoft's UI Automation framework, to identify which banking and cryptocurrency exchange sites are accessed on the device for potential credential theft. [...]
A new attack campaign has compromised more than 3,500 websites worldwide with JavaScript cryptocurrency miners, marking the return of browser-based cryptojacking attacks once popularized by the likes of CoinHive. Although the service has since shuttered after browser makers took steps to ban miner-related apps and add-ons, researchers from the c/side said they found evidence of a stealthy