These days, your smartphone knows more about you than anyone else. It contains your bank details, emails, location history, personal photos, passwords, and all your chats. Many people think their phone is secure by default. They think that since nothing has happened yet, they're safe. But cyber attackers look for exactly this vulnerability. Here are some simple tips to protect your phone from hackers.

Real security starts with the lock screen
The biggest security mistake is using a weak PIN. Many people don't take this seriously. A simple four-digit PIN has thousands of combinations that hackers can crack. Always use a PIN with at least six digits, and an alphanumeric PIN is even better. On top of your PIN, enable face authentication or fingerprint lock. While biometrics aren't 100% foolproof, they make it much harder for someone to easily unlock your phone. They add a strong layer of security without complicating your daily use.

You need to turn on two-factor authentication.
Another feature you should never overlook is two-factor authentication (2FA). The best part is that even if someone steals your password, they can't log in without a second verification step. With 2FA enabled, you'll receive an OTP on your phone or a code from an authenticator app. If someone gets hold of your email address, they can reset the passwords for all your other accounts. Therefore, you should immediately turn on 2FA for your banking apps, social media, and any accounts containing important financial or personal information. Using an app like Google Authenticator or Authy is much more secure than SMS codes, as hackers can redirect SMS codes through SIM swapping attacks.

Keep a close eye on app permissions.
Go to your phone's privacy or permissions settings right now. Check which apps are accessing your location, camera, microphone, contacts, and storage. You'll notice that many apps have permissions they don't need to function. For example, a flashlight app doesn't need your contact list. A photo editor app has nothing to do with your location data. Therefore, immediately revoke any permissions that aren't necessary for the app to function. Also, carefully check which apps are using your phone's accessibility settings. Malware and virus apps often use these permissions to take control of your phone.

Never Ignore Software Updates
Software updates may seem boring compared to new features, but the security patches they bring are crucial. Hackers target vulnerabilities in outdated operating systems and apps. Once a vulnerability is discovered, it doesn't take months for hackers to launch an attack—it can happen in just a few days. To avoid giving them a chance, it's best to always turn on automatic updates for your OS and apps. If this isn't possible, go to your phone's Settings menu and manually check for and install updates.

Using public Wi-Fi? Be careful.
Public Wi-Fi networks are easy to access, but they're often unencrypted. This means anyone can easily steal data traffic between your phone and the internet. So, never open banking apps or type in any personal information when you're on a public network.

Finally, always install apps only from the official App Store or Google Play Store, where they've been thoroughly vetted. Apps found outside of official stores are not guaranteed. Hackers create fake versions of popular apps just to steal your data. So, if an app isn't in the official store, don't install it.

PC: Bharat 24