This follows last month's security breach at shipping provider ShipMonk, which exposed the personal information of Trezor customers.

Cryptocurrency hardware wallet maker Trezor says an August data breach at its shipping and logistics provider, ShipMonk, affects an additional 67,000 U.S. customers.

Hardware wallet maker Trezor said a fake security alert claimed a hardware flaw could expose users’ recovery phrases.

Attackers exploit legitimate mailing channels to demand crypto wallet backups