To host the Authenticator app, and a mobile phone number for additional security purposes To access your Office 365 mailbox via a web browser You will need your: Company Email password for your Office 365 mailbox You can use the instructions below to enable Office 365 two factor authorisation (2FA), and how to use the Microsoft Authenticator App for 2FA. How do I enable Office 365 2FA on my user account? Log in to your 2FA enabled Office 365 mailbox would then require both your username and password and this constantly changing 6 digit code. The steps below installs a 6-digit random number generator to your mobile phone (‘something you have’), and which changes every 30 seconds.
With 2FA enabled on your Office 365 mailbox, knowledge of your username and password alone (be that accidental or deliberate) would not be enough to access your mail. To gain access to a 2FA enabled resource you need your password and a second piece of evidence to prove your identity, either ‘something you have’ (such as a secure token, mobile phone device or keycard) or ‘something you are’ (such as your fingerprint, iris or your voice). Without 2FA enabled on your Office 365 mailbox, anyone who has knowledge of your username and password would be able to access and misuse your mailbox identity. SMS / 6 digit one-time-passcodes - if these don't expire every 60 seconds and instead have an indefinite life, they're no different than a passwordĪs a future state, I would lean toward OAuth for mail authentication rather than basic auth with a username/password.Why do I need to add 2FA to my Office 365 user account?.Push notifications: you probably don't want to be clicking "approve" on your phone every 60 seconds while Jira is checking mail.Hardware tokens: there's no way to plug a security device into a cloud-hosted application.Won't be re-used across other sites like a user password might be (a security risk if someone is able to get the password table from a less secure site where the password was reused)įrom the standpoint of "how would an application interact with 2FA" - there are some pitfalls.The app passwords are randomly generated, and long - so they: That's a correct assessment! This is partially why Microsoft requires you to enable app passwords separately before they can be created.
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