Oh didn't know that, thanks for the info! Resteemed!
Some more technical information about the update: https://www.ledger.fr/2018/03/06/new-firmware-update-1-4-1-available-for-the-nano-s/
A more detailed post about the security vulnerability will be published from March 20th.
RE: "Mandatory" To Update Your Nano Ledger S Before March 20th.