How to Improve Your Phone's Security Score: A Complete 2026 Guide

Your phone holds your banking apps, private messages, photos, health data, and access to nearly every online account you own. A weak security posture on that single device can unravel your entire digital life. Fortunately, most operating systems and security apps now display a security score — a numeric or letter rating that reflects how well your phone is protected. This guide walks you through exactly how to improve your phone security score, from quick wins to advanced hardening techniques.

What Is a Phone Security Score?

A phone security score is a rating generated by your device's built-in security dashboard or a third-party security app that measures how resistant your phone is to common threats. It typically evaluates factors like operating system updates, screen lock strength, app permissions, biometric setup, encryption status, and whether risky settings (such as installing from unknown sources) are enabled.

On iPhones, this appears inside Settings > Privacy & Security and the Safety Check tool. On Android, Google's Security Checkup and Samsung's Device Care both produce similar scores. Apps like Bitdefender Mobile Security, Norton 360, and Lookout also assign their own ratings.

Why the Score Matters

The score is a shortcut — it condenses dozens of individual checks into one glanceable number. A high score doesn't guarantee you'll never be hacked, but a low score almost always signals exploitable weaknesses that attackers routinely target. Raising it forces you to fix the fundamentals.

Step 1: Update Your Operating System and Apps

Outdated software is the single biggest reason security scores drop. Operating system patches fix vulnerabilities that malware, phishing kits, and remote exploits actively use.

1. Open Settings > General > Software Update (iOS) or Settings > System > System Update (Android).
2. Enable automatic updates so patches install overnight.
3. Go to the App Store or Play Store and turn on automatic app updates.
4. Uninstall any app that hasn't been updated by its developer in over 12 months — abandoned apps are a liability.

A single missed patch can knock 10–20 points off your score. Keeping software current is the highest-return action you can take.

Step 2: Strengthen Your Screen Lock and Biometrics

A four-digit PIN can be brute-forced in under an hour if someone has physical access. Modern security scores heavily weight the strength of your lock method.

Recommended Lock Settings

• Use a six-digit numeric PIN at minimum, or better, an alphanumeric passphrase of 8+ characters.
• Enable Face ID, Touch ID, or fingerprint for convenience, but keep the underlying passcode strong.
• Set auto-lock to 30 seconds or 1 minute.
• Turn on Erase Data after 10 failed attempts (iOS) or the equivalent factory-reset protection on Android.
• Disable lock screen previews for sensitive notifications like banking, 2FA codes, and messages.

Step 3: Audit App Permissions

App permissions are one of the most common score-killers. A flashlight app doesn't need your contacts. A game doesn't need your microphone. Every unnecessary permission is a potential data leak.

How to Audit Permissions Quickly

1. Go to Settings > Privacy & Security > Permission Manager (Android) or Settings > Privacy & Security (iOS).
2. Review each category: Location, Camera, Microphone, Contacts, Photos, Files, Bluetooth.
3. For every app, ask: Does this app genuinely need this to function? If not, revoke it.
4. Switch location permissions to "While Using the App" or "Ask Every Time" instead of "Always."
5. Enable iOS's App Privacy Report or Android's Privacy Dashboard to see which apps accessed sensitive data in the past 7 days.

Step 4: Enable Two-Factor Authentication Everywhere

Two-factor authentication (2FA) is a login method that requires both your password and a second verification step, typically a code from an authenticator app or a hardware key. Security scoring tools now check whether your primary accounts — Apple ID, Google Account, Samsung Account — have 2FA enabled.

Prefer authenticator apps (Google Authenticator, Authy, 1Password, Aegis) over SMS. SMS codes can be intercepted through SIM-swap attacks. For your most valuable accounts (email, financial, cloud storage), consider a hardware security key like a YubiKey.

Step 5: Verify Encryption Is Turned On

Full-disk encryption scrambles the data on your phone so that if it's lost or stolen, the contents can't be read without your passcode.

• iPhone: Encryption is enabled automatically the moment you set a passcode. Confirm under Settings > Face ID & Passcode — scroll to the bottom for "Data protection is enabled."
• Android: Modern devices (Android 10+) encrypt by default. Verify under Settings > Security > Encryption & credentials.

If encryption isn't active, your score will take a major hit — and rightly so.

Step 6: Lock Down Your Browsing and Links

Phishing links delivered via SMS, email, and social media are now the leading cause of mobile account compromise. Your security score often reflects whether you've enabled safe-browsing protections.

Practical Steps

• Enable Fraudulent Website Warning in Safari or Safe Browsing in Chrome.
• Use encrypted DNS (DNS-over-HTTPS or DNS-over-TLS). iOS supports it via configuration profiles; Android supports it under Private DNS in network settings.
• Before tapping unfamiliar links, preview or expand them. If someone sends you a shortened link, tools that let you inspect the destination first are essential. Reputable link platforms such as Lunyb provide transparent redirect handling and analytics, which is far safer than opening opaque links from unknown shorteners.
• Install a reputable password manager so you never reuse credentials across sites.

If you frequently work with shortened URLs — for marketing, sharing, or research — using a trustworthy shortener matters for both you and your audience. Our 2026 buyer's guide to URL shorteners compares the safest options.

Step 7: Turn Off Risky Settings

Certain convenience features silently reduce your score. Review each of the following:

• Install from Unknown Sources / Sideloading: Disable unless absolutely required.
• Developer Options: Turn off USB debugging when not in use.
• Auto-connect to open Wi-Fi: Disable. Open networks are prime targets for interception.
• Bluetooth and AirDrop: Set to "Contacts Only" or turn off when not needed.
• Personal Hotspot with weak password: Use a strong WPA3 password.
• Lock screen access to Siri, Google Assistant, and widgets: Restrict what can be accessed without unlocking.

Step 8: Back Up Securely

Backups protect you from ransomware, theft, and hardware failure. Security scoring tools verify that backups exist and that they're encrypted.

1. Enable iCloud Backup with Advanced Data Protection (end-to-end encryption) on iOS.
2. Enable Google One Backup or Samsung Cloud with encryption on Android.
3. Verify that backups are running weekly and that the last backup date is recent.
4. For maximum control, maintain a periodic encrypted local backup on a trusted computer.

Step 9: Use Built-In Security Dashboards Monthly

Both major mobile ecosystems offer free tools that recalculate your score in seconds:

Platform	Tool	Where to Find It	What It Checks
iOS	Safety Check	Settings > Privacy & Security > Safety Check	Sharing, app access, Apple ID sessions
iOS	App Privacy Report	Settings > Privacy & Security	Sensor and network activity per app
Android	Security Checkup	Settings > Google > Manage your Google Account	Account security, sign-ins, 2FA
Android	Play Protect	Play Store > Profile > Play Protect	Malicious app scanning
Samsung	Device Care / Auto Blocker	Settings > Battery and device care	Sideloading, USB attacks, malware

Run these once a month. Fix every warning they flag. Your score will climb steadily.

Step 10: Prepare for Loss or Theft

A high security score assumes you can respond quickly if the phone disappears.

• Enable Find My iPhone or Find My Device.
• Turn on Activation Lock (iOS) or Factory Reset Protection (Android).
• Record your device's serial number and IMEI in a safe place.
• Know how to remotely wipe the device from another device or a web browser.
• Consider Stolen Device Protection (iOS 17.3+), which adds friction to sensitive changes when the phone is away from familiar locations.

Quick Wins Cheat Sheet

If you only have 15 minutes, focus on these five actions — they typically raise a score the most:

1. Install pending OS and app updates.
2. Upgrade your PIN to 6+ digits or a passphrase.
3. Enable 2FA on your primary email and cloud account.
4. Revoke location, microphone, and camera permissions from any app that doesn't clearly need them.
5. Turn on Find My / Find My Device and remote wipe.

Common Mistakes That Tank Your Score

• Using the same PIN as your bank card.
• Storing 2FA backup codes as unencrypted screenshots.
• Ignoring "Update Required" notifications for weeks.
• Granting "Always" location to social apps.
• Installing security apps from unknown developers — they often introduce more risk than they mitigate.
• Jailbreaking or rooting the device without understanding the tradeoffs.

Frequently Asked Questions

What is a good phone security score?

Most security dashboards use a 0–100 scale. Anything above 85 is considered strong, 70–85 is acceptable, and below 70 means you have meaningful vulnerabilities to address. Aim for 90+ if you handle sensitive data like finances, health records, or business communications.

How often should I check my phone's security score?

Run a full security review once a month, and any time you install a batch of new apps, travel internationally, or receive a suspicious message. Automatic tools like Google Security Checkup and iOS Safety Check make this a five-minute task.

Do I need a paid mobile security app?

For most users, no. iOS and Android already include strong sandboxing, malware scanning (Play Protect, XProtect), and encryption. Paid apps are worth considering if you need enterprise features, advanced anti-theft, family monitoring, or dark web credential alerts — but they aren't required to reach a 90+ score.

Are shortened links safe to click on my phone?

They can be, but only if they come from a reputable shortener and a source you trust. Malicious actors love short links because they hide the destination. Use a link preview feature, hover to expand where possible, and stick to established platforms. You can read more about safe link shorteners in our best URL shorteners guide and our Rebrandly review for context on what a trustworthy service looks like.

Does factory resetting my phone improve the security score?

Only indirectly. A factory reset removes lingering malware, forgotten apps, and legacy permissions, giving you a clean slate to configure properly. But if you restore an old backup afterward, the same weaknesses often return. Treat a reset as an opportunity to re-audit each app and setting from scratch.

Final Thoughts

Improving your phone's security score isn't about buying expensive tools — it's about making a series of small, deliberate choices that add up. Update religiously, lock down permissions, enable 2FA, encrypt your backups, and stay skeptical of unfamiliar links. Do that consistently, and your score will climb from mediocre to excellent in a single afternoon. More importantly, so will your real-world protection against the threats that actually target mobile users in 2026.