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 Chrome extension named "QuickLens - Search Screen with Google Lens" has been removed from the Chrome Web Store after it was compromised to push malware and attempt to steal crypto from thousands of users. [...]
South Korea's National Tax Service accidentally exposed the mnemonic recovery phrase of a seized cryptocurrency wallet in an official press release, allowing hackers to steal 6.4 billion won ($4.8M) worth in cryptocurrency. [...]
Credential and cryptocurrency theft, live surveillance, ransomware - an attacker's Swiss Army knife A new remote access trojan (RAT) being sold on cybercrime networks enables double extortion attacks on Windows machines by bundling ransomware and data theft, along with credential and cryptocurrency stealers, live surveillance, and a whole host of other illicit capabilities, all controllable from a centralized dashboard.…
The U.S. Department of Justice (DoJ) this week announced the seizure of $61 million worth of Tether that were allegedly associated with bogus cryptocurrency schemes known as pig butchering
Cybersecurity researchers have disclosed details of a malicious Go module that's designed to harvest passwords, create persistent access via SSH, and deliver a Linux backdoor named Rekoobe
Cybersecurity researchers have disclosed details of a new botnet loader called Aeternum C2 that uses a blockchain-based command-and-control (C2) infrastructure to make it resilient to takedown efforts
Also: IoTex Bridge Exploit Linked to Private Key BreachThis week, Step Finance shuts down, IoTeX bridge exploit, Russia-linked exchanges help evade sanctions, Australian charged in $3.5 million scam, a hacker returned $21 million in seized bitcoin to South Korean prosecutors and Malaysia arrested 12 police officers in an extortion case.
New botnet Aeternum shifted C2 operations to Polygon blockchain, complicating takedown efforts
Cybersecurity researchers have disclosed details of a new cryptojacking campaign that uses pirated software bundles as lures to deploy a bespoke XMRig miner program on compromised hosts
Cybersecurity researchers have disclosed what they say is an active "Shai-Hulud-like" supply chain worm campaign that has leveraged a cluster of at least 19 malicious npm packages to enable credential harvesting and cryptocurrency key theft