hetzner now requires 2FA for payment
we're going to need to do something at Hetzner to keep billing working, it looks like. they sent us a notice requiring us to use 2FA to record our credit card details to avoid fraud:
To ensure more security for online payments, starting on 1 January 2021, you will be only allowed to pay with credit cards if they use two factor authentication (2FA), also known as 3-D Secure or SafeKey. In addition to the first security factor (you possessing your credit card), this process includes an additional and independent factor, which is often a one-time password like an SMS TAN. This security measure helps to ensure that you as the legal credit card holder have authorized the payment.
So that you can continue to use your credit card as a payment method, we need you to re-enter your credit card information on your account by no later than 22 December 2020.
I contacted sue and erin about the problem, I'm not sure how to address this.