4.57 billion people are using internet today, it means 59% people of the globe are active internet users. But as the number is increases, parallaly security threats also increases. Hackers are adopting different techniques for injecting malware and virus in your phone. People are downloading content and hackers uploading malicious code in internet, so, when you download any file, including videos, pdf, music, apk file, zip file and etc. Virus comes in your device and harm your phone. But all website and sources are not harmful, a lots of site are safe. You have to find the safe and secure website or sources. Read their terms and conditions to know about their security and privacy policy. I can suggest you to use popular sources for download like playstore.
Question is what could you do or how to save your phone ? Here is the some pro suggestions to avoid such threats.
• The most important is don't download any thing from unknown source.
• Try to avoid download file if it is possible.
• Don't download any zip file specially, always download from trusted site or very popular sites.
• Try to avoid download from site name start with http:// .
• Avoid download apps from website if available, other wise download from trusted source.
• Don't download unknown app from unknown website.
• Don't use pirated website for download file.
• Download use unknown website for downloading youtube videos.
• Always check is any virus in downloaded file ( you can read detail on how to check virus and malware in a file in mobile ).
By all these ways you can secure your device and prevent from hacking.