Android Security: A Simple Guide

TL;DR

Keep your Android device safe with regular updates, strong passwords/biometrics, app permissions control, a good security app, and cautious browsing. Avoid public Wi-Fi where possible.

Securing Your Android Device: A Step-by-Step Guide

1. Keep Your Software Up to Date
• Android itself gets regular security updates. Go to Settings > System > System update and check for updates. Install them as soon as they’re available.
• Update your apps regularly through the Google Play Store. Enable auto-updates (Play Store > Settings > Network preferences > Auto-update apps) or manually check for updates periodically.
2. Strong Screen Lock & Biometrics
• Use a strong PIN, password, or pattern lock. Avoid easily guessable combinations like birthdays or ‘1234’.
• Enable biometric security (fingerprint or face unlock) for faster and more secure access. Go to Settings > Security > Screen lock.
3. Manage App Permissions Carefully
• Review app permissions before installing apps, especially those from unknown sources. Pay attention to what each app requests access to (camera, microphone, location, contacts etc.).
• Revoke unnecessary permissions after installation. Go to Settings > Apps > [App Name] > Permissions and disable any permissions the app doesn’t need. Android now offers granular permission control; use it!
4. Install a Security App (Optional)
• Consider installing a reputable mobile security app from Google Play Store (e.g., Bitdefender Mobile Security, Norton 360). These apps can provide malware scanning, web protection, and anti-theft features.
• Be cautious about free security apps; some may contain unwanted software or collect your data. Read reviews carefully before installing.
5. Be Careful What You Install
• Only download apps from the Google Play Store, unless you have a very good reason to trust another source.
• Check app developer information and read user reviews before installing.
• Avoid sideloading APK files from untrusted websites. If you must sideload, scan the file with a virus scanner first.
6. Secure Your Google Account
• Use a strong, unique password for your Google account.
• Enable two-factor authentication (2FA) for extra security. Go to your Google Account settings and enable 2-Step Verification.
7. Public Wi-Fi Caution
• Avoid using public, unsecured Wi-Fi networks whenever possible. They are often targets for hackers.
• If you must use public Wi-Fi, use a Virtual Private Network (VPN) to encrypt your internet connection.
8. Enable Find My Device
• This allows you to locate, lock, or wipe your device remotely if it’s lost or stolen. Go to Settings > Security & location > Find My Device and ensure it’s enabled.
9. Regularly Review Accounts & Devices
• Check the accounts connected to your Google account (Google Account settings) and remove any you don’t recognize.
• Review devices signed into your Google account and revoke access from those you no longer use.