Chapter 3 notes

8/30/2012

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

Protecting Your Network

Objectives

Chapter 16

• Discuss the common security threats in network computing
• Describe the methods for securing user accounts • Explain how firewalls, NAT, port filtering, and packet filtering protect a network from threats

© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

Introduction to protecting your network Overview

• What are the threats to networks?
– Hackers, etc.
– Authorized users with good intentions
– Natural disasters
– A network threat is anything that can potentially damage network data, machines, or users

• Explore tools and methods for protection
© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

Three parts to Chapter 16
• Common threats
• Securing user accounts
• Firewalls

© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

Common threats

© 2012 The McGraw-Hill Companies, Inc. All rights reserved.

1

8/30/2012

Mike Meyers’ CompTIA Network+® Guide to Managing and
Troubleshooting Networks, Third Edition (Exam N10-005)

• Summary of common threats
– System crashes/other hardware failures
– Administrative access-control weaknesses
–