Think before you open attachments from emails.The Kaspersky Internet Security suite protects you from malicious programs and malicious content.As an additional security measure, use two-factor authentication via a mobile app and strong passwords, or ideally a password manager.This is an unnoticed installation of malware when visiting bogus websites, which ensure that the malware is downloaded onto the home system in the background.However, if you surf the web carefully, do not open email attachments without thinking, and only obtain programs from secure sources, you should be able to avoid these threats.Install security updates on a regular basis, both for the operating system and the installed programs.Avoid downloading programs from unsafe sources.