2-step authentication and team access to Photon dashboard

Is there some way to enable 2-step authentication to the Photon admin dashboard?
And a somewhat related question - is it possible to give access to the dashboard to more than one account/e-mail address?
We are trying to improve the security of our systems, and both issues represent weak spots. Apologies if they are addressed somewhere in the documentation or in previous questions, but we haven't been able to find any reference.
Many thanks in advance!

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