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Free public Wi-Fi is available almost everywhere today, from airports and railway stations to cafés, hotels, and shopping malls. While it can help you save mobile data, connecting to an unsecured network may expose your personal information to cybercriminals.

Before using public Wi-Fi, follow these simple tips to keep your smartphone and sensitive data safe.

1. Verify the Wi-Fi Network Name

Hackers often create fake Wi-Fi hotspots with names similar to legitimate networks.

Before connecting:

• Ask the staff for the official network name.

• Avoid networks with suspicious or misspelled names.

• Never connect to unknown hotspots automatically.

2. Avoid Banking Transactions

Public Wi-Fi is not the best place to:

• Log in to your bank account.

• Make UPI payments.

• Shop online.

• Enter credit or debit card details.

If a financial transaction is urgent, switch to your mobile data instead.

3. Turn Off Auto-Connect

Many smartphones automatically reconnect to previously used Wi-Fi networks.

Disable this feature so your phone doesn't connect to unknown or unsafe networks without your knowledge.

4. Use HTTPS Websites Only

Before entering passwords or personal information, check that the website begins with https:// and displays a padlock icon in the address bar.

This indicates that your connection to the website is encrypted.

5. Keep File Sharing Disabled

When connected to a public network, turn off features such as:

• File sharing

• Nearby sharing

• AirDrop (when not in use)

• Network discovery

This reduces the risk of unauthorized access to your device.

6. Enable Two-Factor Authentication

Even if someone manages to steal your password, two-factor authentication (2FA) adds an extra layer of security.

Enable 2FA for:

• Email accounts

• Banking apps

• Social media

• Cloud storage

7. Keep Your Phone Updated

Software updates often fix newly discovered security vulnerabilities.

Before travelling or using public Wi-Fi regularly, make sure your operating system and apps are up to date.

8. Forget the Network After Use

Once you've finished using public Wi-Fi, disconnect and select "Forget Network" in your Wi-Fi settings.

This prevents your phone from reconnecting automatically in the future.

9. Watch for Unusual Activity

After using public Wi-Fi, pay attention to signs such as:

• Unexpected login alerts

• Unknown account activity

• Password reset emails you didn't request

• Banking notifications you don't recognise

If you notice anything suspicious, change your passwords immediately and contact the relevant service provider.

Bonus Tip: Use a VPN on Public Networks

A trusted Virtual Private Network (VPN) encrypts your internet traffic, making it much harder for others on the same network to intercept your data.

While a VPN improves privacy, it should be used alongside other security practices—not as a replacement for them.

Final Thoughts

Public Wi-Fi is convenient, but it should be used with caution. By avoiding financial transactions, verifying network names, enabling two-factor authentication, and keeping your device updated, you can significantly reduce the risk of cyber threats. A few simple precautions can go a long way in protecting your personal and financial information.