Enable “Require Attention for Face ID” option
This feature only unlocks your iPhone/iPad when you are directly looking at it. To enable the feature, visit Settings> Face ID & Passcode and then turn on the toggle.
Permissions to apps
Granting extensive permissions of your personal data to apps could put you at risk. Re-evaluate permissions related to location, phone calls, and messages from Settings> Apps.
Safari settings
➤ Block popups ➤ Fraudulent website warning ➤ Prevent cross-site tracking ➤ Check for Apple Pay ➤ Hide IP address
Use VPN
If you frequently use public WiFi networks, it is recommended that you must connect to a VPN to secure data. A VPN service encrypts your internet traffic to secure your data.
Auto-delete messages
You can set your text messages to auto-delete on your iPhone & iPad. The feature offers extra security by preventing intruders from accessing your chats if somehow your device is hacked.