Microsoft Defender is a great natural defender against malware and cyber attacks. It is built into Windows 10 and 11. If the user regularly updates the system, you should not worry about its security. There is also no need for additional antiviruses, which often slow down the platform of the Redmond giant. If you like Microsoft Defender, you will be pleased to know that the application has just appeared on mobile systems: Android and iOS. It’s worth downloading it.