IT Security Foundations: Network Security

Want to keep your interconnected systems and data safe? In this course, Lisa Bock covers network security and securing an organization's infrastructure. Lisa introduces security devices such as firewalls and honeypots. In addition, she reviews the importance of isolating networks with VLANS and NAT addressing, along with a review of common security protocols. She also provides overviews of how to protect clients with antivirus software, encrypt folders and files, implement software restriction policies, and secure your cloud services. Finally, she looks at the often-overlooked topic of physical security, which includes securing a building's perimeter and the hardware within.

Learning objectives
List common devices that are used to protect and defend a network.
Summarize how VLANs can protect a network.
Give examples of how server and domain isolation can protect subnetworks.
Describe best practices for virtualization and container security.
Recognize the threat of password attacks.
Identify the different ways malicious actors can spoof protocols on a network.
Outline the various ways to use and secure protocols to minimize risk and prevent attacks.
Discuss how antivirus software protects your system against malware.
Describe the ways a security baseline can ensure that all device configuration settings are in-line with an organization’s baseline metric.
List examples of ways to ensure physical security.