disable password access to prevent someone who steels my phone from changing it

iPhones are designed with strong security measures to protect the privacy and data of their owners. One of the key features that ensure this is the requirement of an Apple ID and password or a passcode to access the device's contents. This means that without the owner's authorization, it is nearly impossible for anyone else to open an iPhone and gain access to its data.

• The Apple ID and password serve as a unique identifier for each user and are used to link the device to the owner's iCloud account.
• In the event that the owner has chosen to set up a passcode, an additional layer of protection is added.
• Additionally, enabling two-factor authentication for the Apple ID further enhances the security of the device by requiring a secondary verification step, typically through a trusted device or phone number, to access the account.

With these security measures in place, iPhones offer a high level of protection against unauthorized access. Even if someone physically possesses the device, they will find it extremely challenging to access its contents without the owner's Apple ID and password or the passcode. This helps safeguard sensitive information, personal data, and ensures the privacy of the iPhone's owner.

It is worth noting that while these security measures provide strong protection against unauthorized access, it is essential for iPhone owners to choose strong and unique passcodes or passwords. This minimizes the risk of brute-force attacks or password-guessing attempts.

If you feel an unauthorized person can change your password and start using, controlling, or monitoring your device, then that is possible only if you have done one or more of the following Don'ts...

1. Don't hand over an iPhone to kids or a stranger without Enabling Guided Access
2. Don't share Apple IDs
3. Don't Jailbreak
4. Don't share sensitive information about your device
5. Don't give in to Phishing
6. Don't plug in your device in Airports and Public places through third-party cables and trust the device. Beware of Juice Jacking. (Especially in India)
7. Don't leave your iPhone unlocked and unattended in public places like offices, schools, malls, etc.

If one of the above is true then quickly change the Apple ID Password and Return iPhone settings to their defaults.