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Is it bad to expose the 2FA codes? (lemmy.ml)

submitted 1 year ago by vis4valentine@lemmy.ml to c/privacy@lemmy.ml

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In a few weeks I'll do a workshop about security for people who are tech illiterate, I plan to teach about password managers and 2FA.

If I show the 2FA number codes, like the 123 456 ones that I have to paste when required, can that be a possible security breach for me? or is it save since is gonna change in a few seconds anyway?

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[–] vis4valentine@lemmy.ml 2 points 1 year ago (2 children)

is there some useless service that I can use to ser up a 2FA for a demo?

[–] sirico@feddit.uk 2 points 1 year ago* (last edited 1 year ago)

For me I'd put proxmox in a proxmox. get the second one installed with a user then save it as a template. From here you can spin up a new image and use the TOTP services to show various 2FA which include YUBI keys if ever the tutorials get deep. I don't know if there is a 2FA playground as such that just to me seems like a quick low impact way of showing the process. You then just delete that image within the first proxmox install. Hold the phone just searched 2FA playground and it gave me https://pragmarx.com/playground/google2fa#/ which seems perfect for your needs. I can't vouch for the safety of the site but their github is on there so have a browse through

[–] Lemjukes@lemm.ee 1 points 1 year ago (1 children)

Is this being taught in a computer lab or will the students all have laptops or smartphones? If so I would almost be tempted to just walk them through all creating a temporary email address and then setting up 2fa on the accounts. But yeah Gmail accounts.

[–] vis4valentine@lemmy.ml 1 points 1 year ago (1 children)

where can I find temporary mails that have 2FA logins?

[–] Lemjukes@lemm.ee 2 points 1 year ago* (last edited 1 year ago)

You can create endless Gmail accounts for free and google has several different 2fa options to choose from. So you could make one '2faClassDemoEmail@gmail.com' or have each person on their own device create dummy Gmail addresses like 'StudentName2FADemo@gmail.com' and have each student go through the process individually. They would only be temporary in that you'd just stop using it after the class and google would eventually get rid of it(maybe?) After long enough without any use. I don't think you're going to find something that just generates dummy 2fa codes for demo purposes.