2017-09-30 21:00 GMT+02:00 Daniel Kinzler <daniel.kinz...@wikimedia.de>:

> Biometry in general may be acceptable, but fingerprints should be
> considered
> weak protection, because you share that key with your environment all day,
> every
> day. Getting someone's fingerprint is *really* easy. If your phone gets
> stolen,
> chances are, the fingerprint needed to unlock it is right on there already.
>

I agree and even worse: if your password gets stolen you can change it but
you cant change your fingerprint. Fingerprints are Usernames, not
Passwords!¹

In additional to using good passwords² I would advise to change the
ssh-keys once in a while and thereby upgrade to modern key-options.
At the moment ed25519 – if already supported by the sites you use – and
using PBKDF as key-derivation-function! See [3] for a howto.

[1]:
http://blog.dustinkirkland.com/2013/10/fingerprints-are-user-names-not.html
[2]: https://xkcd.com/936/
[3]: https://blog.g3rt.nl/upgrade-your-ssh-keys.html

Regards,
 M


-- 
Michael F. Schönitzer



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