iPhone Security Features You Should Enable Right Now
Your iPhone is one of the most secure smartphones available, but that security is only as strong as the settings you actually turn on. Apple builds powerful protections into iOS, yet many of the most effective ones remain disabled by default or buried deep in menus that most people never open. In 2026, with phone theft still common, sophisticated spyware targeting high-profile users, and constant new vulnerabilities being patched, leaving these features off is a risk you do not need to take.
The good news is that strengthening your iPhone does not require technical expertise or third-party apps. A focused 15- to 20-minute session in the Settings app can dramatically reduce your exposure to theft, unauthorized access, data breaches, and remote attacks. Here are the most important security features every iPhone user should enable now, along with clear steps to turn them on and why they matter.
Stolen Device Protection: The Most Important Setting Most People Miss
Stolen Device Protection has become one of Apple’s most valuable security tools. Phone thieves often try to pressure or observe victims into revealing their passcode. Once they have physical access and the code, they can traditionally change the Apple Account password, disable Find My, view saved passwords, or even erase the device.
Stolen Device Protection changes the rules. When your iPhone is away from familiar locations such as your home or workplace, sensitive actions require Face ID or Touch ID with no passcode fallback. For the most critical changes—such as altering your Apple Account password or turning off Find My—a one-hour security delay is enforced. That delay is designed to give you time to mark the device as lost through Find My on another device or iCloud.com.
To enable it, open Settings, go to Face ID & Passcode, enter your passcode, and turn on Stolen Device Protection. You can choose whether the security delay applies only away from familiar locations or always. Most people should leave it set to activate when away from known places for a balance of security and convenience. This single feature alone makes an iPhone far less attractive to thieves.
Fully Activate Find My and Related Location Tools
Find My is usually enabled by default, but several supporting options are often left off. Go to Settings, tap your name at the top, then select Find My. Confirm that Find My iPhone is on. Then turn on Find My network, which allows other nearby Apple devices to help locate your phone even when it is offline or powered down. Also enable Send Last Location so your iPhone automatically sends its final known location to Apple when the battery is critically low.
These options work together with Activation Lock, which prevents anyone else from activating or using your iPhone if it is lost or stolen. Without them fully enabled, recovery becomes much harder.
Strengthen Your Passcode and Biometrics
A six-digit numeric passcode is better than nothing, but it can be cracked relatively quickly with the right tools. A longer alphanumeric passcode raises the difficulty dramatically. In Settings > Face ID & Passcode, choose Change Passcode, then select Passcode Options and pick Custom Alphanumeric Code. Create something memorable yet complex.
Keep Face ID or Touch ID enabled for daily convenience. Consider turning on Require Attention for Face ID so the phone only unlocks when you are looking at it. Also review the list of apps that can use Face ID and remove any that do not need it. For extra protection, set a unique Screen Time passcode that is different from your device passcode. This can prevent someone who knows your lock-screen code from changing critical restrictions or settings.
Lock Down Your Apple Account with Two-Factor Authentication
Two-factor authentication should already be active on most Apple Accounts, but it is worth double-checking. Go to Settings > [Your Name] > Sign-In & Security and confirm that Two-Factor Authentication is on. While you are there, add recovery contacts or create a recovery key. Without these, losing access to all your trusted devices can permanently lock you out of your account and data.
A strong, unique password for your Apple Account is equally important. Never reuse a password from another service. Apple’s Passwords app (or a dedicated password manager) makes this practical.
Keep Your Device Updated Automatically
Software updates are the single most effective way to close security holes. Apple frequently releases both full iOS updates and smaller rapid security responses. Leaving automatic updates off means you remain vulnerable longer than necessary.
In Settings > General > Software Update > Automatic Updates, turn on Download iOS Updates, Install iOS Updates, and Security Responses & System Files. Also visit Settings > Privacy & Security > Background Security Improvements and ensure Automatically Install is enabled. These background improvements deliver critical patches without requiring a full system update or restart in many cases.
Turn On Advanced Data Protection for iCloud
Standard iCloud protection encrypts your data in transit and while stored on Apple’s servers, but Apple still holds the encryption keys. Advanced Data Protection enables end-to-end encryption for nearly everything in iCloud—including backups, Photos, Notes, iCloud Drive, and more—so only your trusted devices can decrypt the data.
Enable it in Settings > [Your Name] > iCloud > Advanced Data Protection. You will be required to set up a recovery contact or recovery key. This step is essential: if you lose access to all your devices and the recovery method, Apple cannot help you recover the data. For users who want maximum privacy from both hackers and potential legal requests, this feature is highly recommended.
Restrict Lock-Screen Information and USB Access
Notifications on the lock screen can reveal one-time verification codes, private messages, banking alerts, and other sensitive details to anyone who glances at your phone. Go to Settings > Notifications > Show Previews and set it to When Unlocked or Never. You can also adjust this per app for Messages and other sensitive services.
Additionally, limit USB accessories while the device is locked. In Settings > Face ID & Passcode, turn off USB Accessories (or set it to require authentication). This prevents data extraction tools from accessing your phone via cable when it is locked.
Consider Lockdown Mode If You Face Elevated Risk
Lockdown Mode is Apple’s strongest optional protection against highly sophisticated spyware, including tools previously associated with state-sponsored or mercenary attacks. When enabled, it restricts message attachments (except basic images, video, and audio), disables link previews in Messages, limits certain web technologies in Safari, blocks FaceTime calls from unknown numbers, and prevents installation of configuration profiles.
Apple has stated it is not aware of any successful mercenary spyware attack against a device running Lockdown Mode. The trade-off is reduced functionality. Most everyday users do not need it. Journalists, activists, executives, or anyone who believes they may be specifically targeted should seriously consider enabling it under Settings > Privacy & Security > Lockdown Mode.
Additional High-Value Settings
Review app tracking permissions in Settings > Privacy & Security > Tracking and turn off Allow Apps to Request to Track. Audit location services, camera, microphone, and contacts access for individual apps, limiting them to “While Using” or “Never” wherever possible. Confirm Emergency SOS is set up so you can quickly contact emergency services by pressing and holding the side button and a volume button. Finally, consider setting up Medical ID so first responders can access critical health information even when the phone is locked.
Securing an iPhone is not about achieving perfect invulnerability—no device can claim that. It is about raising the cost and difficulty of an attack high enough that most threats move on. Stolen Device Protection, a fully configured Find My setup, a strong passcode, automatic updates, and Advanced Data Protection form the core of a practical modern defense. The remaining settings add valuable layers depending on your personal risk level.
Take the time today. Open Settings, work through the list above, and verify each feature is active. The process is straightforward, the impact is substantial, and the peace of mind is worth far more than the few minutes it requires. In an era of rising device theft and increasingly sophisticated digital threats, these built-in protections are no longer optional extras—they are essential.