North Korea is behind the massive crypto hack, according to several blockchain monitoring firms and a well-known researcher

Multisig cold wallets, also known as multisig safes, are among the gold standards for securing large sums of cryptocurrency. More shortly about how the threat actors cleared this tall hurdle. First, a little about cold wallets and multisig cold wallets and how they secure cryptocurrency against theft.

Researchers spot the stolen funds moving through cryptocurrency wallets that were used in earlier heists attributed to North Korea's Lazarus hacking group.