Bitrefill Links March Cyberattack to North Korea’s Lazarus Group After Data Breach
Crypto payments platform Bitrefill says a cyberattack linked to the Lazarus Group exposed about 18,500 purchase records and drained funds from several hot wallets.
Cold Wallet - Page 7
A cold wallet is a physical device or offline storage medium used to secure cryptocurrency private keys. Unlike hot wallets, which are connected to the internet, cold wallets remain strictly offline, significantly reducing the risk of unauthorized access or cyber attacks. They typically come in the form of hardware devices, paper wallets, or dedicated offline computers. To execute a transaction, a user must temporarily connect the cold wallet to an internet-enabled device, sign the transaction offline, and then broadcast it to the network. This method ensures that the private keys are never exposed to online vulnerabilities. Because of their enhanced security, cold wallets are considered the safest method for storing large amounts of cryptocurrency over long periods.
Latest Cold Wallet News
US Seizes $61M in USDT Tied to Pig Butchering Scam
US authorities seized over $61 million in USDT linked to a large-scale pig butchering fraud scheme, highlighting increased enforcement against crypto-enabled scams.
Google Cloud Identifies North Korea-Linked Crypto Malware Campaign
Mandiant, operating under Google Cloud, reported a surge in North Korea-linked social engineering attacks targeting crypto and fintech firms with new malware strains.
North Korea Accelerates Crypto Theft with Fewer, Larger Attacks in 2025
North Korean hackers stole more than $2 billion in cryptocurrency in 2025, marking a sharp rise in proceeds despite a decline in the number of attacks,…
South Korea Ties $36M Upbit Breach to North Korea’s Lazarus Group
South Korean authorities are investigating a possible connection between the recent $36 million hack of the Upbit crypto exchange and the North Korea-linked Lazarus Group.