Ledger is a French company behind one of the most known and prominent BTC and ETH crypto wallet. They announced on Wednesday (29.07.2020) that its e-commerce database was hacked in June.
On their website you Can read that approximately 1 million of customers e-mail addresses and 9500 customers personal details such a first and last name, postal address, phone number or ordered products was stolen.
So, Ledger team claims that only customers contact data was stolen. The hardware technology is not affected by hack so all the crypto are safe.
Issue with database was already found and fixed. The whole announcement you can found here: https://www.ledger.com/addressing-the-july-2020-e-commerce-and-marketing-data-breach
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Good thing the data has been fixed already.