CompTIA A+ Complete Deluxe Study Guide Recommended Courseware: Exams 220-801 and 220-802, 2nd Edition

Common Prevention Methods

A great many of the security issues that plague networks today can be solved through the implementation of basic security elements. Some of those elements are physical (locked doors) and others digital (antivirus software), but all share in common the goal of keeping the problems out.

Four topic areas are key: physical security, digital security, user education, and the principle of least privilege. As you study for the exam, know what types of physical security elements you can add to an environment to secure it. Know, as well, what types of digital security you should implement to keep malware at bay. Understand that the first line of defense is the users. You need to educate them to understand why security is important, ...