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.
Threat actors are exploiting major Counter-Strike 2 (CS2) competitions, like IEM Katowice 2025 and PGL Cluj-Napoca 2025, to defraud gamers and steal their Steam accounts and cryptocurrency. [...]
Cryptocurrency exchange Bybit on Friday revealed that a "sophisticated" attack led to the theft of over $1.46 billion worth of cryptocurrency from one of its Ethereum cold (offline) wallets, making it the largest ever single crypto heist in history
Cryptocurrency exchange Bybit revealed today that an unknown attacker stole over $1.46 billion worth of cryptocurrency from one of its ETH cold wallets. [...]
Also: Nigerian Authorities Sue Binance for $79.5 billionThis week, guilty plea in $577M fraud scheme, Nigeria's $79.5B lawsuit, charges in $24M fraud case, $400K Cardex hack, seizure in BitConnect scheme, CluCoin founder sentenced, hacked Phemex funds laundered, Argentina president's fraud charges, new malware for digital wallets and romance scams surge.
The latest in a long line of fraud stings worth billions each year Two men are in police custody after being arrested in connection with a July cryptocurrency fraud involving a man in his seventies.…
Users who are on the lookout for popular games were lured into downloading trojanized installers that led to the deployment of a cryptocurrency miner on compromised Windows hosts
'Marstech1' Malware Targets Developers Through GitHub RespositoryNew North Korean malware is targeting cryptowallets with an unconventional command-and-control infrastructure and through malware embedded into a GitHub repository that's apparently the account of a Pyongyang hacker. The implant appears to have emerged late last December.
Devices containing crypto wallets tracked online, then in the real world Indian authorities seize loot from BitConnect crypto-Ponzi scheme Devices containing crypto wallets tracked online, then in the real world India’s Directorate of Enforcement has found and seized over $200 million of loot it says are the proceeds of the BitConnect crypto-fraud scheme.…
A new variant of the XCSSET macOS modular malware has emerged in attacks that target users' sensitive information, including digital wallets and data from the legitimate Notes app. [...]
Two Estonian nationals have pleaded guilty to running a cryptocurrency-related Ponzi scheme
Welcome to this week’s Cybersecurity News Recap. Discover how cyber attackers are using clever tricks like fake codes and sneaky emails to gain access to sensitive data. We cover everything from device code phishing to cloud exploits, breaking down the technical details into simple, easy-to-follow insights
PLUS: DOGE web design disappoints; FBI stops crypto scams; Zacks attacked again; and more! Infosec In Brief A security researcher has found that Google could leak the email addresses of YouTube channels, which wasn’t good because the search and ads giant promised not to do that.…