SECURITY BASICS

Let’s start with the most fundamental aspect of security: installing anti-virus software. Skip to page 67 for a rundown of five of the best all-in-one solutions; you’ll also find plenty of free options available, starting with the free version of Avira Antivirus (avira.com), which provides real-time protection against viruses.

Avira’s free offering does leave some gaps, so install Malwarebytes Anti-Malware (), which