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Top 10 iPhone privacy and security tips you should check today

Here are the top 10 tips for keeping the data on your iPhone safe from hackers and snoopers. Even if you are pretty confident in your security, it might be worth checking to make sure things are in good order.
By Adrian Kingsley-Hughes, Senior Contributing Editor
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Don't leave your iPhone's security to chance

Want to harden your iPhone against hackers and snoopers, and keep the data that you carry around with you on your device safe from prying eyes? Here are the tweaks you need to make!

Set a strong passcode
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It all begins with a strong passcode

No matter whether you use Touch ID or Face ID, you still need a passcode, and the stronger the passcode you can use -- and remember! -- the better. It really is the cornerstone of your security. If this falls into someone's hands, they own your iPhone and its data.

Remember, even if you use biometrics to access your iPhone, the passcode is still there are a backup, so make it a strong one.

Go to Settings > Face ID & Passcode (or Touch ID & Passcode on older iPhones with the Touch ID button), enter your existing passcode, and then tap on Passcode Options to get a set of options. 

Choose between Custom Alphanumeric Code (the most secure) or Custom Numeric Code (second best option). I don't recommend 4-Digit Numeric Code because it's easy for shoulder-surfers to see what your PIN code is (it's also sometimes obvious which four numbers are in use because of the position of the greasy fingerprints on the display).

Set brute-force protection
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Prevent someone trying to guess your passcode

But what's to stop people just trying to guess your passcode? Here's what stops them!

Go to Settings > Face ID & Passcode (or Touch ID & Passcode on iPhones with Touch ID), enter your existing passcode, and scroll down to Erase Data.

After 10 attempts (toward the end there will be a timer-based lockout to slow down the entry process, preventing pranksters from nuking your data), the encryption key will be deleted and your data permanently and securely wiped.

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Use a VPN, especially if you use free Wi-Fi

Do you spend a lot of time using free Wi-Fi when out and about? If you do then you really need a VPN.

A VPN (virtual private network) allows you to create a secure connection between your device and the VPN service provider's server, allowing you to browse the web securely and without others being able to snoop on what you are doing.

There a a lot of VPN providers out there, but one that I've used a lot and trust is F-Secure's Freedome VPN

Control access to what's accessible when the iPhone or iPad is locked
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Control access to what's accessible when the iPhone or iPad is locked

Control how much -- or how little -- you want to be accessible on a locked device. 

iOS 12 gives control over the following:

  • - Today View
  • - Notification Center
  • - Control Center
  • - Siri
  • - Reply with Message
  • - Home Control
  • - Wallet
  • - Return Missed Call
  • - USB Accessories

The bottom line is that the more you lock down, the more secure your device and data will be. The flipside is the more you lock it down, the more often you have to unlock your device to see what's going on. 

The USB Accessories feature is especially useful, because it will prevent the Lightning port from being used to connect to any accessory if your iPhone or iPad has been locked for more than an hour.

Go to Settings > Face ID & Passcode (or Touch ID & Passcode on iPhones with Touch ID), and enter your existing passcode to control this.

Set up two-factor authentication
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Activate "Find My iPhone"
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Turn on "Find My iPhone"

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