What happened?
A cyberattack is reported to have targeted certain Ledger hardware wallet models. Users who stored crypto assets in cold wallets, considered secure, are said to have had their holdings drained.
What is a cold wallet?
A cold wallet is a hardware device that stores crypto assets offline, disconnected from the internet. Ledger is one of the best-known brands in this space, and its devices were widely considered safe from remote attacks because they stay offline.
Open questions
It is still unclear which wallet models are affected, how many users have been impacted, and how large the losses are. Ledger has not yet issued an official statement on the matter.
What users should do
Ledger users are advised to update their device firmware only from official sources, never share their recovery phrase (seed phrase), and monitor their transactions for suspicious activity.
