As an alternative to TOTPs, the Lorentz Institute offers the possibility of registering your own [[https://fidoalliance.org/fido2/|FIDO2]] security key and use that as second factor authentication. Note however that self-registration of a security key is **only** possible after you have completed a first-time 2FA setup via one of the methods below and you have notified <support@lorentz.leidenuniv.nl>. If you do not possess a FIDO2-compatible key and would like to obtain one provided by the IL, please do not hesitate to email <support@lorentz.leidenuniv.nl>. Login via a security key currently offers the strongest security possible to protect your IL account from cyber criminals.
As an alternative to TOTPs, the Lorentz Institute offers the possibility of registering your own [[https://fidoalliance.org/fido2/|FIDO2]] security key and use that as second factor authentication. Note however that self-registration of a security key is **only** possible after you have completed a first-time 2FA setup via one of the methods below and you have notified <support@lorentz.leidenuniv.nl>. If you do not possess a FIDO2-compatible key and would like to obtain one provided by the IL, please do not hesitate to email <support@lorentz.leidenuniv.nl>. Login via a security key currently offers the strongest security possible to protect your IL account from cyber criminals.