Excellent explanation thanks. Regards
Anthony From: viphone@googlegroups.com <viphone@googlegroups.com> On Behalf Of Sieghard Weitzel Sent: 26 May 2021 18:52 To: viphone@googlegroups.com Subject: RE: authenticator explanation Authenticator apps are for accounts where you use 2-factor authentication. Typically after you put in your user name and password a code will be emailed or texted to you and you have to then enter this code. If you use an authenticator code, then the app will generate the code you use, of course you have to specify on whichever website, let's say on Dropbox, that you are using an authenticator app and you then have to set up the app for Dropbox which generally involves scanning a QR code on the computer screen. With Microsoft, Google and some others this approach goes a step further in that your iPhone itself along with the Microsoft Authenticator app (in the case of Microsoft) is used for authentication. If I log into my Outlook.com account from a computer which is not on the trusted computer list, a notification is sent to the authenticator app on my iPhone. It pops up just like any notification on my phone and when I tap on it the authenticator app opens, I am asked if I want to allow or reject the login attempt and if I tap allow it uses my Face Id for verification and, in some cases, it even asks you to confirm one of three numbers which would be displayed on your computer's screen. So, for example, it may say "Tap the number displayed" and then on the computer screen let's say it shows the number 48, on my iPhone screen I see 17, 48 and 63 so then I tap on 48 and at this point the app communicates to my login attempt that everything was authenticated and I get logged in. If you use 2-factor authentication for Google you can set it up to use the Google app on your iPhone for verification. It's currently probably one of the most secure methods because even if somebody had your phone they would not be able to authenticate the login because your Face Id or Touch Id would be needed. If you get the code sent to your iPhone via text message and as many do have it set up to show text messages on the lock screen, then as long as somebody had access to your phone they could log in and simply read the code which was sent on your lock screen. It's actually somewhat ironic that you can set up 2-factor verification for many accounts such as Microsoft, Google, Apple, Dropbox etc. but most banks and credit card companies do not support or offer this. Best regards, Sieghard From: viphone@googlegroups.com <mailto:viphone@googlegroups.com> <viphone@googlegroups.com <mailto:viphone@googlegroups.com> > On Behalf Of Anthony Borg Sent: Wednesday, May 26, 2021 5:51 AM To: viphone@googlegroups.com <mailto:viphone@googlegroups.com> Subject: authenticator explanation Hi Can someone explain more fully the usage of the Authenticator app please? Thanks in advance Anthony -- The following information is important for all members of the V iPhone list. If you have any questions or concerns about the running of this list, or if you feel that a member's post is inappropriate, please contact the owners or moderators directly rather than posting on the list itself. Your V iPhone list moderator is Mark Taylor. Mark can be reached at: mk...@ucla.edu <mailto:mk...@ucla.edu> . 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