Summary

Chapter 16: Advanced Security 25How ToSummaryThis chapter discussed computer security and explained why it is important to protect computerequipment, networks, and data. Threats, procedures, and preventive maintenance relatingto data and physical security were described to help you keep computer equipment anddata safe. Security protects computers, network equipment, and data from loss and physicaldanger. The following are some of the important concepts to remember from this chapter:■■■■Security threats can come from inside or outside of an organization.Viruses and worms are common threats that attack data.Develop and maintain a security plan to protect both data and physical equipment fromloss.Keep operating systems and applications up to date and secure with patches and servicepacks.Follow these steps when setting up a security plan:Step 1.Step 2.Step 3.Step 4.Step 5.Outline the customer’s security requirements.Select security components.Implement a security plan.Perform preventive maintenance.Troubleshoot security.Summary of ExercisesThis is a summary of the Labs, Worksheets, and Remote Technician exercises associatedwith this chapter.LabsThe following labs cover material from this chapter. Refer to the labs in IT Essentials: PCHardware and Software Labs and Study Guide, Third Edition (ISBN 1-58713-198-6).Lab 16.3.2: Configure Windows XP FirewallLab 16.5.3: Fix a Security Problem