unknown ads are subject to market risk

[razivstha]

Everyone must install a antivirus on their mobile phones for a precaution

[Ravi0883]

you have to choose wisely when you have give permission. After installing app 3rd party antivirus will also not effective

[PranavPanhalkar]

though antivirus is given inbuilt, we have to activate it first then we can use it. otherwise use the trusted other antivirus apps like avast. It provides real time web protection. So we will be safe from malicious, fraudulent websites.