iPhone and iPad Security

Worried About Your iPhone Security? 7 Ways to Make Face ID More Secure

Philip Bates 28-03-2019

Face ID can be used to unlock your iPhone or iPad, to download apps, and use Apple Pay. The facial recognition software has replaced Touch ID on newer devices, which might put you off upgrading. After all, how do you know if Face ID is secure?


Apple claims Face ID is as safe to use as previous biometrics, but you’d like to make certain it’s reliable before activating it on your iPhone.

Fortunately, there are some very simple steps you can take to ensure no one can access your smartphone except you.

How to Use Face ID

Let’s first make sure you know how to activate Face ID because it’s worth doing.

iPhone X facial recognition Settings

If you have a new iPhone, installing Face ID is part of the activation process. If you skipped it, however, you just need to go to Settings > Face ID & Passcode. It will then ask for your passcode. Your face will appear within a circle and you’ll need to move around to complete facial recognition.


It takes less than a minute to do and saves you time whenever you’re unlocking your phone.

Though Face ID doesn’t make your data more secure, it does increase usability, and enhance your privacy. How? No one else can read notifications on your lock screen. Others will be able to see you’ve received an iMessage or DM on Instagram, but they can’t read what it actually says. Your phone shows the message once it detects your face in front of the infrared camera.

Why are people worried about Face ID security? Some think it can be fooled—indeed, there have been reports of siblings tricking phones. Others consider the ease criminals can access data: just steal the device and hold it in front of the victim’s face. It’s brazen but possible.

Essentially, it’s better to be safe than sorry. With that in mind, you can make Face ID more secure.


1. Disable Apple Pay Authentications

There’s a fine line you have to tread between accessibility and security. If you use Apple Pay, you should favor the latter, which is why you shouldn’t authorize payments through Face ID.

Apple Pay works in the same way contactless credit and debit cards do: the near-field communication (NFC) chips in your device can be read by payment terminals. Apple Pay is safer than you may think Apple Pay Is Safer Than You Think: 5 Facts To Prove It Mobile-based payment services like Apple Pay are becoming more and more popular. But what security features does it offer? What safeguards are in place? Is it safe? Read More ; still, it’s easy to get carried away using contactless.

Limits are subject to country, but caps have been lifted across numerous places. Apple advises that you might need to provide a signature for purchases over $50.

Go to Settings > Face ID & Passcode, and look at “Use Face ID For:”, which lists everything you can use Face ID to authenticate. Untick Apple Pay. Without it, you can use the app with your passcode. You should also untick iTunes & App Store. These similarly can take money from your account, so why risk it?


2. Manage Apps

iPhone use facial recognition for Apple Pay apps

While you’re there, you should check which other apps utilize Face ID and question whether it’s necessary.

Various services have already jumped on the bandwagon, some to authorize payments and others to keep your privacy. PayPal, for instance, is a good example of the former.

But the Notes app can use Face ID too. To keep a message private, click on the square icon with the arrow pointing upwards, found in the top right of a note. Click Lock Note. Whenever you want access to it, it’ll prompt you to use your passcode or Face ID.


We’re sure more apps will start using Face ID in the future, so keep an eye on this. They should ask permission before doing so anyway. It’s worth re-evaluating app permissions on a regular basis.

3. Create a Strong Passcode

As you should have already gathered, your phone still needs a passcode to work in conjunction with Face ID.

The most obvious reason is that, sometimes, your iPhone doesn’t recognize your face. You might be holding it at an odd angle, look notably different, or have the required detectors covered. In most of these cases, however, you can simply turn your phone away then point it back towards you, and it’ll unlock.

But there’s a more important argument for having a strong passcode: every time your phone restarts, it needs that authentication. Face ID won’t work when you turn the power back on. We’ll come back to why this safeguard is important.

To make your passcode stronger, go to Settings > Face ID & Passcode, enter your current one, then click on Change Passcode. Your phone should automatically suggest you use a six digit code, rather than the standard four digit PIN. Otherwise, go to Passcode Options then either Custom Alphanumeric Code or Custom Numeric Code.

4. Activate Find My iPhone

Find My iPhone is a feature that allows you to remotely lock and track your device. It’s to prepare you for the worst possibility: that your iPhone is lost or stolen. You’ll need to set this up in advance at iCloud.com.

This means that you can put your device in Lost Mode, which disables Face ID. No one can access your smartphone without your passcode. You can remotely add a customized message to the lock screen too, which might be instructions on how to get the iPhone back to you.

Even if you’re not wary about using Face ID, you should still use Find My iPhone How to Get Your Stolen iPhone Back The Right Way What do you do when your iPhone goes walkies? Do you take a proactive approach or wait for law enforcement to do its thing? Let's discuss. Read More .

5. Learn How to Temporarily Disable Face ID

Lost Mode isn’t the sole way you can disable Face ID. You can lock it behind a passcode either remotely or while it’s in your hand.

The most useful method is by pressing down the Power button and either of the volume controls at the same time. You’ll see the screen to turn your phone off. If you power down, your passcode will be needed when it restarts. The same effect can be achieved simply by clicking Cancel. Alternatively, click on your Emergency SOS if the situation calls for it.

Face ID will also be disabled after five unsuccessful attempts to unlock or if it’s not been unlocked for more than 48 hours.

6. Enable “Require Attention”

Let’s say you’re looking elsewhere when someone steals your phone off a table and points it at you. It will unlock and they’ll gain access to your information. Equally, you could be asleep and someone could still use Face ID to get into your device. How can you stop this?

Head back to Settings > Face ID & Passcode and make sure Require Attention for Face ID is on.

Facial recognition iPhone require attention

This is an additional security feature which assesses whether you’re actually looking at your smartphone before it unlocks.

It works if you wear glasses, although performance might be hampered if they’re especially dark or reflective sunglasses. In most cases, you won’t have a problem.

7. Keep Data Off Your Lock Screen

This isn’t solely about Face ID; it’s about limiting what you can access from your lock screen. However, to tamper with this, you need to go to the Face ID & Passcode settings as before. Scroll to the bottom to find “Allow Access When Locked”.

Anything listed here can be opened without the need for facial recognition or your passcode. It increases usability if you can get onto your Control Center or check Today View (i.e. widgets like News and Weather).

Yet there are lots of options and one in particular should alarm you: Wallet, which includes Apple Pay. At the very least, you need to untick this. It speeds up the process of paying for items, but do you really want to risk this capability falling into the wrong hands?

By toggling these settings, you’re highlighting the need for Face ID.

Make Your iPhone More Secure

You don’t need to be concerned about Face ID, as long as you know how to limit it accordingly. You need to:

  1. Disable Apple Pay and iTunes & App Store.
  2. Make sure you know which apps use Face ID.
  3. Create a strong passcode to use as a safeguard.
  4. Turn on Find My iPhone.
  5. Learn how to quickly disable Face ID.
  6. Enable “Require Attention”.
  7. Check what you can access through the lock screen.

Face ID is a great tool Is Face ID on the iPhone X Any Good? Gone is the home button. Gone is the fingerprint scanner. It's time to make way for Face ID. Read More —but you can still deactivate it; go to Settings > Face ID & Passcode > Reset Face ID.

Related topics: Apple, Face ID, Face Recognition, Smartphone Security.

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