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.
A new Android malware strain called CherryBlos has been observed making use of optical character recognition (OCR) techniques to gather sensitive data stored in pictures
The malware, along with a sister strain dubbed "FakeTrade," was found lurking in Google Play.
Two new Android malware families named 'CherryBlos' and 'FakeTrade' were discovered on Google Play, aiming to steal cryptocurrency credentials and funds or conduct scams. [...]
Two new breaches traced back to prolific Lazarus group
Trend Micro’s Mobile Application Reputation Service (MARS) team discovered two new related Android malware families involved in cryptocurrency-mining and financially-motivated scam campaigns targeting Android users.
Estonian crypto-payments service provider CoinsPaid has announced that it experienced a cyber attack on July 22nd, 2023, that resulted in the theft of $37,200,000 worth of cryptocurrency. [...]
Misconfigured and poorly secured Apache Tomcat servers are being targeted as part of a new campaign designed to deliver the Mirai botnet malware and cryptocurrency miners
Threat actors are distributing new "Realst" infostealer via fake blockchain games, researchers warn.
Blockchain analysts blame the North Korean Lazarus hacking group for a recent attack on payment processing platform Alphapo where the attackers stole almost $60 million in crypto. [...]
A new malware family called Realst has become the latest to target Apple macOS systems, with a third of the samples already designed to infect macOS 14 Sonoma, the upcoming major release of the operating system
A new Mac malware named "Realst" is being used in a massive campaign targeting Apple computers, with some of its latest variants including support for macOS 14 Sonoma, which is still in development. [...]
A new Mac malware named "Realst" is being used in a massive campaign targeting Apple computers, with some of its latest variants including support for macOS 14 Sonoma, which is still in development. [...]
"Three may keep a secret, if two of them are dead."