Question How do I stop automatic login to a website?

[MaxT2]

In Windows 10.

Recently, my ISP's customer support pushed me to test something in Microsoft Edge. They said that some feature on their website could not work if I didn't use Edge or Chrome and if I did not accept ALL cookies including commercial cookies (which I'm not quite sure is legal since I'm in the EU and we have GDPR and so on).

I usually never use Edge... I used to call Internet Explorer "Firefox Installer" and now I would call Microsoft Edge "Brave Browser installer". (Though "downloader" might be more accurate than "installer".)

So I accepted to try their stuff in Microsoft Edge and accepted ALL cookies. Well, it didn't work any better.
While doing that, I think the browser popped up a dialog. I thought that is was, as in other browsers, the dialog to make it remember the auto-fill values for that login form in that precise browser... so I didn't pay much attention and clicked OK.

Since then, whenever I just enter the URL of their login form in ANY browser (including Brave and Firefox), I get automatically logged in with that user account. I mean I could not even log in with a different account if I had one. And some stuff that seemed to require some kind of "session reset" as a workaround now never gets reset anymore ... it's like I have some kind of session for that website/login form, but at system level.

What did I do? How do I get rid of this automation? I don't even where to start to look at... (And I'm quite sure I didn't have KeePass or anything similar that installed since I re-installed this system last month.)

Summary after a few replies
It looks like when I go on that login form, something is auto-filling + auto-singing automatically, even when no password is save and across multiple browsers. While what I would like is that simply have auto-filling , independently between browsers.

 

[lvt]

There should be a Logout button somewhere that allows you to disconnect from that website.

 

[MaxT2]

There should be a Logout button somewhere that allows you to disconnect from that website.

Thank you. Though if that was the solution, I would have found have found it right away.
I tried logging out, then CTRL+F5 and things like that... no solution so far.
The problem is that after logging out, if I just browse to the login form, I'm immediately logged in.

 

[little_me]

I'm pretty certain what was meant "log out on the website" not from windows.
pretty much all sites that have somekind of login, have somekind of account management page and logout button that is sometimes well hidden but still exists.

Edit:
in theory, it could be somekind of cookie stored IP identifier since it's your ISP but... that is FAR, FAR from something anyone could call secure especially since most IP's are not static. (And unsafe even if they were)

cookie based things should only affect that browser though, not all of them.

Have you checked saved passwords/logins on all browsers though? you can clear those too.

Edit2:
I don't use edge at all personally, one test run few years back was enough to say "no"
it randomly chose, without asking me, one out of computer accounts and proceeded to create it's logins/profiles/stuff on that.

in any case; Edge seems to have a feature to sign into sites without asking you at all (after first time)
edge://settings/passwords
has options like:
offer to save passwords
sign in (if this is on and you have username/password for site saves, edge will NOT ask you, you are in)

Firefox has feature called Single sign on, which will then use windows credentials to sign in. (i have it off, you can find it by searching for passwords in firefox settings)

chrome does autofill and auto-login a bit too but as far as I know not to extent you've described.
Auto-sign-in (it's option under password manager

Third option is to check windows account settings, especially if you use microsoft account to sign in, it too has possibilities for auto-login for apps.

That is about all I can think/find about for now.

 

[MaxT2]

Thank for comment.
Yes, I know that there is logout link on the website and I'm already using it since the beginning. This seemed so obvious that maybe I forgot to mention in original post that I was logging out of the website before this "auto-reconnection" on the login form.

So, indeed, things like deleting cookies + resetting site permissions in each browser made improvement + not accepting "all cookies" again. (I have not done test of all these changes seperately.
- In Edge: succeeded at getting the form NOT to re-log me automatically ... but that until I log in once ... then I'm stuck in the same "loop" again.
- In Firefox: Seems back to normal.
- In Brave: Can't get back to normal, no matter what I do, the log in form relog me automatically.

Further:
In Edge, I found this setting in edge://settings/passwords
Autofill passwords (Allow Microsoft Edge to automatically fill passwords.) / Fill website password and sign in automatically / Prompt for the device password before filling website password / Prompt for the customised primary password before filling website password.

Not sure why, the first option is selected ... but the other two options actually require extra password before filling... so that not what I want.
I want auto-fill but no auto sign-in.

In Edge, I found this setting in edge://settings/passwords
I deleted the password from Save Passwords. I now have 0 saved password. But the log in form is auto signing anyway.

+ Firefox is not auto-signin me again


+ Edit: I tested unlogging and relogging from other website (in Brave Brower), including TomsHardware and they don't auto-sign. (I did not involve Edge in this though.)

 

[MaxT2]

I setup a fresh virtual machine so I can try browser stuff and restore it to its previous (clean) state each time...

• So in Brave in the VM: I cannot choose to accept or reject site cookies, the popups appears and then instantly vanishes... so I don't know if I they're accepted or not.
• In Firefox in the VM: I observed two different behaviours:
  • If I accept only "necessary" cookies: I get auto-fill but no auto-sign-in (as I want)
  • If I accept "all cookies": I get auto-sign-in as in host system.

This may be a hint to some explanation... but I still don't know why it happens cross-browser.

 

[Nemesia]

I use Control + Shift + Delete. It brings you to the navigation saved information and then you just clean everything from "All time". Close and open the browser again after that.

You are now disconnected from EVERY accounts from any websites. You will have to enter the login password for every site that you have to connect to.

Don't do that if you only want to be disconnected from 1 website.

Do it if you don't mind just reconnecting to everything.