Account verifications notifications not requested

"Account verifications notifications not requested: why my iPhone gets accounts verifications notifications without me requesting them?"

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Getting Account Verification Notifications:

If these are mail issues, then you need to update an expired app password. If these are all about online account logins, then that indicates that someone has your credentials, and is trying to log in. Do NOT accept them, and change you passwords immediately, and turning ON Two-Factor Authentication.

Passwordless Account:

If available to you, you might want to consider using no password for accounts that have this --it is a level 2FA. As an example, here is how to go about doing so in MS Outlook: How to go passwordless with your Microsoft account - Microsoft Support. IMPORTANT: Be certain you have a Recovery Key, in the case that you cannot get in: How to get a Microsoft account recovery code - Microsoft Support

So, As for an Apple Account, Do Two Things:

A. Verify Your Devices:

Verify that you the devices logged in to your account or officially yours, by using this link: Check your Apple ID Device List to See where you're Signed in - Apple Support

B. And, Consider Modifying your Credentials:

Having been stollen, someone likey has your credentials. So, by all means, consider modifying them, starting with a new password.

• Modify: your login credentials (Using Both a New eMail and a New Password for each and all sites)
• Associate: a different method of payment to your account
• Enable: Two-Factor Authentication for Apple ID and for all other accounts that have such an applicable option

1. Is this your corporate/organisation/enterprise/School Management iPhone? Then please contact the system administrator of your corporate//organisation/enterprise/School Management
2. If it is your device, in that case, do you have any profile installed by your corporate/organisation/enterprise/School Management?
   1. Erase the profile added by you If you have installed a profile on your own --> Install or remove configuration profiles on iPhone - Apple ...
   2. Or please contact the system administrator of the organisation who provided the profile to you

A corporate profile installed on your iPhone could potentially be contributing to the inaccessibility of certain features. 

Here's why:

• Restrictions: Corporate profiles can have restrictions placed on apps and functionalities. These restrictions might be limiting some activity, causing it to be unresponsive or quit.
• Managed Apps: IT departments might deploy specific navigation apps through the profile, potentially blocking certain functions or features.
• Security Settings: Corporate profiles often have stricter security settings that could affect app or function behavior. This might be causing unexpected behavior of an App or functions.

Here's what you can do:

• Check with IT: The best course of action is to contact your IT department. They can explain the restrictions set by the corporate profile and see what is affected. They might be able to adjust settings or suggest alternative apps or features approved for corporate use.
• Look for App Conflicts: See if your IT department uses a different app through the corporate profile. Conflicting apps might cause crashes.

Additional points to consider:

• Even if the profile isn't directly affecting the function, it's still a good idea to check with IT. They might be aware of similar issues and have workarounds.
• While troubleshooting, make sure you prioritize safety. Don't fiddle with your phone. 

By working with IT and considering these possibilities, you can hopefully identify if the corporate profile is the culprit and find a solution that allows you to use the iPhone to your liking.