Ledger Continues to Defend Recovery System, Says It's Always 'Technically' Possible to Extract Users' Keys  

"Technically speaking it is and always has been possible to write firmware that facilitates key extraction. You have always trusted Ledger not to deploy such firmware whether you knew it or not," Ledger said on Twitter.

https://www.coindesk.com/business/2023/05/18/ledger-continues-to-defend-recovery-system-says-its-always-technically-possible-to-extract-users-keys/