iPhone owners are being urged to change certain default settings on their devices, as these could expose their personal data to hackers.
Some connectivity options, if left enabled, can allow attackers to gain access to passwords, bank accounts, photos and other sensitive information. The National Security Agency (NSA) and the relevant authorities warn that the threat is real and that these cyberattack techniques are already known and in use.
The Wi-Fi Settings You Need to Change
The “Auto-Join” setting, which allows an iPhone to connect automatically to public Wi-Fi networks, can expose the device to malicious attacks. This often happens in places such as cafés, restaurants, hotels and bookshops. Hackers can intercept data by interfering with the connection and gaining access to information such as credit card details and sensitive messages.
To protect yourself:
- Go to Settings > Wi-Fi.
- Find the “Ask to Join Networks” option and select “Off” or “Ask”.
- In the same section, find the “Auto-Join” option and select “Never” or “Ask to Join”.
This way, your iPhone will not automatically connect to unsecured Wi-Fi networks, preventing potential cyberattacks.
Additional Security Measures
- Turn off Wi-Fi when you are not using it, especially when you are away from home.
- Turn off Bluetooth when you do not need it to avoid BlueBorne attacks, which allow hackers to take control of your device without any action on your part.
- Delete old or unwanted Wi-Fi networks from your list of saved networks. Go to Settings > Wi-Fi > Edit and remove any networks you do not use.
- Watch out for fake Wi-Fi networks that mimic shop or hotel names but contain minor spelling errors. These could be malicious traps set by hackers.
By taking these steps, you significantly reduce the risk of your personal data being intercepted and improve your device's security.




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