IT Security Foundations: Network Security

Learn how to secure an organization's network to keep your interconnected systems and data safe and prepare for Microsoft Technology Associate (MTA) exam 98-367.

Introduction

• Securing the network
• Prepare for MTA exam 98-367

1. Security Devices

• Reviewing firewalls
• Luring with honeypots
• Keeping the OS and software updated
• Assessing security baselines

2. Network Isolation

• Segmenting using routers and VLANS
• Creating server and domain isolation
• Securing the perimeter network
• Translating the network address

3. Avoiding Attacks

• Comparing attack methods
• Attacking passwords
• Sniffing the network
• Spoofing protocols
• Poison the ARP cache
• Challenge: Password strength
• Solution: Password strength

4. Using Secure Protocols

• Securing DNS
• Securing Internet Protocol
• Protecting DHCP

5. Client Protection

• Using antivirus
• User Account Control (UAC)
• Encrypting folders and files
• Setting software restriction policies
• Using the principle of least privilege
• Encrypting data in transit

6. Physical Security

• Protecting buildings
• Securing hardware
• Controlling access
• Challenge: Physical security requirements
• Solution: Physical security requirements

Conclusion

• What's next