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How to Secure an iPhone with iOS 17

Securing your iPhone is crucial to protecting your personal information from unauthorized access. With iOS 17, Apple has introduced several new features and improvements to enhance the security and privacy of your device. This guide provides a detailed overview of these features and best practices for utilizing them effectively.

Key Security Features in iOS 17

  1. Stolen Device Protection

Stolen Device Protection prevents anyone from changing your Apple ID password or device passcode without Face ID or Touch ID authentication. This adds an extra layer of security if your iPhone is stolen.


•   Go to Settings > Face ID & Passcode (or Touch ID & Passcode).
•   Scroll down to Stolen Device Protection and toggle Turn On Protection.
  1. Lock Private Windows in Safari with Face ID

This feature requires Face ID to unlock Private Browsing windows in Safari, ensuring that your private tabs remain secure even if someone accesses your device.


•   Open Settings > Safari.
•   Toggle on Require Face ID to Unlock Private Browsing.
  1. Advanced Tracking and Fingerprinting Protection

iOS 17 enhances protection against tracking by automatically removing tracking parameters from URLs in Safari, Mail, and Messages.


•   Go to Settings > Safari.
•   Scroll to Advanced and select Advanced Tracking and Fingerprinting Protection.
•   Choose your preferred option.
  1. Auto-Delete Verification Codes

This feature automatically deletes verification codes received via SMS or Mail after they have been used for authentication, keeping your inbox tidy and secure.


•   Open Settings > Passwords.
•   Tap Password Options and toggle on Clean up Automatically.
  1. Enhanced Photos Privacy Permissions

iOS 17 prompts you to review and limit app access to your Photo Library, allowing you to share specific photos rather than granting full access.


•   This feature is automatically enabled after installing iOS 17. You will receive prompts to limit access when an app requests access to your Photo Library.
  1. Automatic Check In Texts in Messages

The Check In feature in Messages allows you to automatically notify selected contacts when you reach a destination, or alert them if you do not arrive on time.


•   Open Messages.
•   Select a contact, tap the + button, choose More, then Check In.
•   Follow the setup instructions.
  1. Passkeys for Apple ID

Passkeys offer a more secure alternative to passwords for your Apple ID, utilizing Face ID or Touch ID for authentication.


•   This is automatically set up in iOS 17. When signing into an Apple website, you’ll use Face ID or Touch ID instead of your password.

Best Practices for iPhone Security

Use a Strong Passcode

A strong passcode is the first line of defense. Avoid simple sequences and use a combination of numbers, letters, and special characters if possible.

Enable Two-Factor Authentication (2FA)

Two-factor authentication adds an extra layer of security by requiring a second form of verification when logging into your Apple ID.


•   Go to Settings > [your name] > Password & Security.
•   Tap Turn On Two-Factor Authentication and follow the instructions.

Regularly Update iOS

Keeping your iPhone updated ensures you have the latest security patches and features.


•   Go to Settings > General > Software Update.
•   Enable Automatic Updates.

Limit App Permissions

Review and limit the permissions granted to apps, particularly access to your location, microphone, and camera.


•   Go to Settings > Privacy and review each category.

Use iCloud Keychain

iCloud Keychain securely stores your passwords and automatically fills them in when needed.


•   Go to Settings > Passwords > Password Options.
•   Enable iCloud Keychain.

Enable Find My iPhone

Find My iPhone helps locate your device if it’s lost or stolen.


•   Go to Settings > [your name] > Find My.
•   Toggle Find My iPhone on.

Use VPN for Secure Internet Browsing

A VPN encrypts your internet connection, protecting your data from prying eyes on public Wi-Fi networks.

Regularly Backup Your iPhone

Regular backups ensure you can restore your data if your device is lost or compromised.


•   Go to Settings > [your name] > iCloud > iCloud Backup.
•   Toggle on iCloud Backup and tap Back Up Now.

Additional Tips and Tricks

•   Monitor App Access: iOS 17 periodically reminds you of apps that have access to your full Photo Library, offering the option to limit access.
•   Check Security Settings: Regularly review your security settings to ensure they align with your preferences.
•   Educate Yourself: Stay informed about new security features and best practices to keep your iPhone secure.

By implementing these security features and best practices, you can significantly enhance the security and privacy of your iPhone with iOS 17. For more detailed information, visit Apple’s support pages and trusted tech news sources.