New Delhi: The advent of smartphones has increased convenience but also increased difficulties. Smartphone users need to be vigilant. Google has warned that iPhones and Android phones are being attacked. Millions of spam messages are being sent daily in the US and Europe. These messages are designed to defraud you. Your phone is not secure. Therefore it is important to remain vigilant and identify these fraudulent messages to avoid being scammed. Furthermore Google has stated that Androids security measures block more spam calls each month while Apples offer less protection. Lets understand what types of messages spam are and how you could be scammed. These types of messages are spam A Forbes report states that these spam messages often include messages like: Your toll was deducted without payment A package didnt arrive at your address or Get an immediate refund. They contain a link. Clicking on these messages could lead to data theft. These messages are created by criminal gangs in China. They are sent from foreign SIM cards to avoid filters. New ones appear as soon as the number is blocked. Android is more secure than Apple: Google Google says Androids security blocks over one billion spam calls and messages every month. Gmail also blocks 99.9% of spam. However some messages slip through. Apple added call screening and message filters in iOS 26 which block links and replies. Yet fraud occurs daily in the US. This is a billion-dollar business. Googles blog post states that Android is more secure than iPhones but the data is outdated predating Apples latest update. Pixel phones offer the best security while Samsung and other Android phones offer less. iPhones offer the same level of security for all. Delete spam messages Android users should not assume everything is safe. The FBI advises deleting spam messages. These are known as smishing. Links expire within a few hours or days but keeping them on your phone is risky. Delete suspicious messages as soon as you see them. Keep the spam filter on in your phone settings. Keep your phone updated. If you click on a message check your bank and change your password.