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.
Hey, Gemini, how much can we earn from one pump-and-dump cycle?
The infostealer payload in this campaign collect a vast amount of data, from collaboration authentication keys to cryptocurrency wallets
Also: Hackers Stole From Verus Bridge, ThorChain and Echo ProtocolThis week, Forsage's co-founder was extradited to the U.S. over a $340M scam, hackers stole from Verus Bridge, ThorChain and Echo Protocol, ZachXBT alleged insider control behind LAB token surge, an Ohio man was sentenced in a Ponzi scheme case and crypto ATM scams cost Americans $388M in 2025.
Modern crypto drainers don't hack wallets. They trick users into approving malicious transactions. Flare explores how the Lucifer DaaS platform scales wallet theft through phishing and automation. [...]
A solo Russian-speaking threat actor ran a 5-year Telegram channel and, starting September 2025, used AI to automate its content, credential theft, and a cryptocurrency fraud scheme targeting American audiences.
The FBI says Americans have lost over $388 million last year to scams using cryptocurrency kiosks, also known as crypto ATMs or Bitcoin ATMs. [...]