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You don’t need to be a tech expert to keep your phone secure. You just need to know where to tap. From sneaky, data-hungry apps to overlooked settings that leak sensitive information, your iPhone or Android device may be exposing more than you realize.
The good news? Making just a few tweaks to your settings can instantly boost your privacy, reduce tracking and give you more control over your digital life.
Here are five safety-boosting settings you can (and should) turn on today. No complicated apps or tools required. Just smart, built-in features that protect your information behind the scenes.
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IS YOUR PHONE HACKED? HOW TO TELL AND WHAT TO DO
A woman updating her settings on her smartphone (Kurt “CyberGuy” Knutsson)
This article is based on tests conducted using an iPhone 15 Pro Max running iOS 18.5 and a Samsung Galaxy S24 Ultra with One UI 7.0 on Android 15. Results and instructions may vary depending on your device model and software version.
1. Limit ad tracking
Because your phone shouldn’t sell your behavior
Apps love your data, especially when it helps them target ads. On iPhone and Android, apps can track what you do across other apps and websites unless you say otherwise. Here’s what to look for:
You keep seeing the same weirdly specific ad after searching for something once. Or you download a game, and suddenly ads know your location, interests and habits.
Here’s how to stop the tracking:
On iPhone:
Settings > Privacy & Security > Tracking → Toggle off “Allow Apps to Request to Track.”
“Allow Apps to Request to Track” toggle on iPhone (Kurt “CyberGuy” Knutsson)
On Android:
Settings may vary depending on your Android phone’s manufacturer
WHAT IS ARTIFICIAL INTELLIGENCE (AI)?
Settings > Google > All services > Ads → Turn off “Ad personalization” or choose “Delete advertising ID” for more privacy.
This won’t block all ads, but it prevents apps from tracking your activity.
“Delete advertising ID” for more privacy on Android (Kurt “CyberGuy” Knutsson)
2. Turn off lock screen previews
Because anyone can see your texts, even when your phone is locked
By default, many phones show message previews on the lock screen. Sounds convenient, until someone sees your two-factor authentication code, private message or bank alert over your shoulder.
You’ll want to change this if:
- You leave your phone face-up at work
- You use SMS for 2FA
- You’ve had someone “casually” glance at your lock screen
Here’s how to hide those previews:
On iPhone:
Settings > Notifications > Show Previews → Set to “When Unlocked.”
On Android:
Settings may vary depending on your Android phone’s manufacturer
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Settings > Notifications > Lock Screen notifications → Choose “Hide content” or, on some Android phones, it might say “Don’t show sensitive content” (which hides sensitive content like message previews on the lock screen).
You’ll still get alerts, but what’s inside stays private.
3. Audit app permissions
Because that flashlight app doesn’t need your location
Over time, apps can quietly collect more permissions than they need, accessing your camera, microphone, contacts or even location without you noticing. You might be giving away too much if:
- An app you barely use still has mic access
- You’ve never checked which apps can track your location
- You’ve had the same apps since 2017 and never reviewed them
Here’s how to review and revoke apps:
On iPhone:
Settings > Privacy & Security → Tap Location Services, Camera, Microphone, etc. to see what apps have access.
On Android:
Settings may vary depending on your Android phone’s manufacturer
Settings > Security and privacy > More privacy settings > Permission Manager → Review permissions by category.
Revoke anything that doesn’t make sense. Your phone will still work just fine.
A man typing on a smartphone. (iStock)
4. Keep Bluetooth off when not in use
Because hackers love an open connection
Bluetooth is great for headphones and smartwatches, but it’s also a known entry point for cybercriminals using “bluesnarfing” or other attacks to siphon data. The risk goes up if:
- You leave Bluetooth on 24/7
- You connect to public or rental car Bluetooth systems
- You don’t recognize every device paired with your phone
Here’s a quick fix:
Swipe down from the top right of your screen to access your Control Center (iPhone) or Quick Settings (Android), and toggle Bluetooth off (A blue stylized “B” symbol shaped by two angular runes resembling “ᛒ” joined vertically) when not in use. Less is more when it comes to open channels.
5. Enable automatic software updates
Because outdated phones are hacker magnets
Software updates don’t just bring new features; they patch critical vulnerabilities that hackers rely on to break into phones.
Red flags:
- You keep hitting “Remind Me Later” on updates
- Your phone is more than one version behind
- You’ve never checked if auto-updates are on
Here’s how to turn it on and forget it:
On iPhone:
Settings > General > Software Update > Automatic Updates → Enable both toggles.
On Android:
Settings may vary depending on your Android phone’s manufacturer
Settings > Software Update > Auto-download or Auto-install updates (may vary by device)
One of the simplest, strongest defenses you can set.
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Kurt’s key takeaways
You don’t need a tinfoil hat to take phone security seriously, just a few quick changes to how your device behaves. Small things, such as hiding message previews, checking app permissions and disabling Bluetooth can make a big difference in protecting your personal information. And, remember, phone security isn’t a one-time deal. Stay curious, keep your software updated and check in on your settings periodically, just as you would with your bank or email accounts.
Got questions about phone safety? Let us know by writing us at Cyberguy.com/Contact
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