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.
Microsoft is working on a non-custodial built-in Ethereum crypto wallet for Microsoft Edge to allow users to send and receive cryptocurrency and NFTs. [...]
Most of these apps rely on clipper malware to steal the contents of the Android clipboard
Copycat websites for instant messaging apps like Telegram and WhatApp are being used to distribute trojanized versions and infect Android and Windows users with cryptocurrency clipper malware
This one has it all: Donald Trump’s inner circle, a Beijing bot backlash, conspiracy theories, and more Meet the newest member of the crypto rogues' gallery: Ho Wan Kwok, aka Guo Wengui, aka Miles Guo, whom the US Department of Justice on Wednesday arrested over what investigators have described as a "sprawling and complex scheme … to solicit investments in various entities and programs through false statements and representations to hundreds of thousands of Kwok's online followers."…
SBF alone pocketed $2.2B, or so this bankruptcy paperwork goes In fresh filings in the FTX bankruptcy case, the cryptocurrency-exchange-slash-hedge-fund's liquidators say they've uncovered $3.2 billion (£2.6b) in payments and loans made to disgraced FTX founder Sam Bankman-Fried and his inner circle. …
The ChipMixer cryptocurrency service for cybercriminals was shut down by law enforcement and its alleged operator charged.
The operation seized four servers, 7TB of data and 1909.4 Bitcoins (roughly $47.3m)
The cryptojacking group known as TeamTNT is suspected to be behind a previously undiscovered strain of malware used to mine Monero cryptocurrency on compromised systems
A coalition of law enforcement agencies across Europe and the U.S. announced the takedown of ChipMixer, an unlicensed cryptocurrency mixer that began its operations in August 2017
An international law enforcement operation has seized the cryptocurrency mixing service 'ChipMixer' which is said to be used by hackers, ransomware gangs, and scammers to launder their proceeds. [...]
NatWest warns of "life-changing" customer losses
Cybersecurity researchers have discovered the first-ever illicit cryptocurrency mining campaign used to mint Dero since the start of February 2023
Experts warn users to be on their guard
Americans are increasingly targeted in 'pig butchering' cryptocurrency investment schemes, according to a public service announcement issued today by the Federal Bureau of Investigation (FBI). [...]
Euler Finance suffered "flash loan" attack
Lending protocol Euler Finance was hit by a cryptocurrency flash loan attack on Sunday, with the threat actor stealing $197 million in multiple digital assets. [...]