Firewalls: Relationships Among Firewall Perimeters
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
FTP - What You Need to Know
By Joseph Wetzel
In this learning activity you'll explore why the FTP protocol is often used to transfer data across the network and more importantly, why it should not be.
Asymmetric Encryption: How It Works
In this learning activity you'll explore public key encryption and conclude with a short quiz.
In this learning activity, you'll explore what malware is, what the different types of malware are, and how you can protect your computer from these threats.
Man in the Middle Attacks with ARP Poisoning
In this learning activity you'll identify Man-in-the-middle attacks and discuss how they affect network security.
In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.
Setting Up Your Virtual Private Network (VPN)
The learner will understand how to set up a Virtual Private Network (VPN) using a home computer network.
Port Scanning - Common Network Protocols
In this learning activity you'll explore three common network protocols that computers use to communicate in a network.
Social Engineering Attacks
In this learning activity, you’ll identify information hackers use to gain access to a company, explain different types of social engineering attacks, and recognize different solutions to avoid these attacks.
Cross-Site Scripting Defined
In this activity we will learn how vulnerable websites are open to cross site-scripting attacks (XSS).
SSH - Secure Shell
In this activity you will learn the benefits of SSH, Secure shell, versus plain FTP.
Achieve Persistence on the Web
In this learning activity you'll discover the disconnected nature of the HTTP request-response model including some methods of persisting state and the security implications.
Virtual Private Networks (VPN)
In this learning activity you'll explore how VPN is used to create a secure connection between two networks.
DDoS - Distributed Denial of Service Attacks
Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.
Authentication versus Authorization
In this learning activity you'll review the differences between identification, authentication, and authorization.
Firewall: Stateful Packet Inspection
In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.
Denial of Service Attacks
In this learning activity you'll explore what a denial of service attack is and learn how a single hacker can take down an entire system.
In this learning activity you'll explore how port scanning is commonly used by hackers to infiltrate a network and how IT security professionals can detect it.
Cross-site Scripting Awareness
In this learning activity, you'll explore the topic of cross-site scripting, (or XSS)
Firewalls: Packet Filters
In this learning activity you'll create a packet filter.
Intrusion Detection Systems
Explore Intrusion Detection Systems, what they are, how they're configured, and the types of protection the provide.
Firewall: Network Address Translation/Port Address Translation
In this learning activity you'll examine how network address translation works.