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.
The threat actor has been targeting cryptocurrency exchanges since at least 2017
The DPRK has turned crypto scams into big business to replenish its depleted state coffers.
A North Korean nation-state group notorious for crypto heists has been attributed to a new wave of malicious email attacks as part of a "sprawling" credential harvesting activity targeting a number of industry verticals, marking a significant shift in its strategy
Well played, feds. What's next? Ransomware is rampant? Strong passwords are important? The FBI has confirmed what cybersecurity researchers have been saying for months: the North Korean-sponsored Lazarus Group was behind the theft last year of $100 million in crypto assets from blockchain startup Harmony.…
The North Korean cyber actors laundered over $60m worth of Ethereum stolen during the heist
The FBI has concluded its investigation on the $100 million worth of ETH heist that hit Harmony Horizon in June 2022 and validated that the hackers responsible for it are the Lazarus group and APT38. [...]
The U.S. Federal Bureau of Investigation (FBI) on Monday confirmed that North Korean threat actors were responsible for the theft of $100 million in cryptocurrency assets from Harmony Horizon Bridge in June 2022