Smartphone security is determined more by the 'model that receives updates' than by apps
“Should I install antivirus apps on my smartphone?” Working in security operations, I am sometimes asked this. It is a topic that periodically becomes a subject of debate online, with people arguing whether they are “necessary” or “unnecessary.” The content is based on information as of October 26, 2026. On an iPhone, all apps created by anyone other than Apple run within an enclosure called a “sandbox.” Apple’s security documentation states that they are designed so that they cannot collect or change information saved by other apps. The OS area is also read-only. Security apps are no exception. Since they cannot examine the contents of other apps, “virus scanning” like that on a PC is not possible. Kaspersky also explained in a 2018 official blog post that real antivirus software cannot be run on iOS. According to reports, Apple removed apps that claimed to “scan for viruses” from the…












































