Someone may be trying to sign your Apple ID, which would generate the request for a verification code. Since you have 2 Factor Authentication enabled, as long as they can't access one of your trusted devices, they can't get a code, and sign in. You should be okay.
A: If you receive an authentication code but did not request one, there is a chance your account password has been compromised – but don't worry, whomever is attempting to access your account cannot get the code sent to you. We would recommend immediately changing your affected account password.
An unrequested verification code is a giant neon sign saying, “Someone is trying to sign in to your account!” That means your username and password could be compromised. Thus, it's time to log into your account and change your password.
Apple will never send you a text message. This is a scam message trying to obtain your Apple ID credentials.
It means some one knows your Apple ID (eMail Address), or that you are trying to log in on another device, and you didn't realize it. Links for Forwarding Screenshots: Take a Screenshot on your iPhone - Apple Support. Take a Screenshot on your Mac - Apple Support.
View or remove trusted devices
Go to Settings > [your name]. A list of the devices associated with your Apple ID appears near the bottom of the screen. To see if a listed device is trusted, tap it, then look for “This device is trusted and can receive Apple ID verification codes.”
You can use one phone number per Apple ID.
Signs that your Apple ID has been compromised
Your password no longer works, you don't recognize some or all of your account details, or your device was locked or placed in Lost Mode by someone other than you.
This means that someone else may be using your Apple ID. You can follow the instructions here to remove any unknown devices from your account, and then change your password.
Is the Apple security warning fake? Yes, the Apple Security Warning is fake. It is created to trick you into providing your personal and financial information for the cybercriminals.
The Google authentication process prompts the scammer to prove that they own the number by entering a six-digit code sent to the victim's phone. The scammer tricks the victim into sharing the verification code, then uses this to “prove” they have access to the victim's U.S. number.
A numeric or alphanumeric code that is texted or emailed to users to verify their identity. Verification codes are widely used as a second authentication factor (see two-factor authentication).
If someone asks you to share a verification code with them, don't do it. If you fall victim to a Google Voice scam, you should disconnect your number. Click here to learn more.
In the list of messages, touch and hold the spam message, then tap Report Junk. Or, if you've opened the message, scroll to the bottom of the message, tap Report Junk, then tap Delete and Report Junk. The sender's information and the message are sent to Apple, and the message is permanently deleted from your device.
If someone knew your Apple ID or your iCloud username/password, they might be able to access your data and information. Some security and privacy measures include determining what of your information you want to be accessible from in the cloud or changing the password to your iCloud account.
Apple does not notify you of suspicious activity but will alert you via email whenever the system picks up a sign-in from a device that you've never used before to sign in to your account.
This is an authentic notification. It is informing the user that there has been another device set up using the same Apple ID. It sends an alert to all other devices, to approve your ID being used on the new device.
But there are several ways for scammers to take over your account, including: If your device was stolen or lost. Someone who knows your password used it without your permission. You use your Apple ID password on another account that was hacked.
One of the best ways to determine if your iPhone is hacked is to run a malware scan. Antivirus apps for iOS are quite limited as Apple's operating system does not allow them to access areas of the device where malware typically hides.
Unfortunately, there is no way to determine if it has been hacked, unless you know that it has been jailbroken. And, the only way for an iPhone to have hacked is if it has been jailbroken. And if you purchased It anew from Apple, then no worries there.
Whenever you sign in to a new device, app, or service, you'll enter your mobile phone number—including the country code—and your password. Be sure to use the same Apple ID everywhere you sign in so that your Apple devices and services work together seamlessly.
You can delete your Apple ID from Apple's Data and Privacy website. Once an Apple ID account is deleted, you'll lose access to a number of services and saved content. Deactivating your account is a temporary alternative to permanently deleting your Apple ID.
If you are signed in to another Apple Id for any of those services under Settings->[service], then sign out and sign in with the one you want. Other than that, if Apps are requesting a specific Apple ID when updating, then the only way to get rid of it, is to delete the App requesting it.
Sign in to the Apple ID website (https://appleid.apple.com) and review all the personal and security information in your account to see if there is any information that someone else has added. If you have two-factor authentication turned on, review trusted devices for any devices that you don't recognize.
Go to iCloud.com, then sign in with your Apple ID. If you're already signed in to your device with your Apple ID and your device has Face ID or Touch ID, you can use it to sign in to iCloud.com.