Spoofing allows an attacker to appear as a legitimate network user. In this video, you’ll learn about IP spoofing, MAC spoofing, and how to identify and stop these attack types. << Previous Video: VLAN Hopping Next Video: Rogue Services >> If there’s a device on your network that is pretending to be a completely different …
VLANs are designed to prevent communication between subnets. In this video, you’ll learn how an attacker can use VLAN hopping to circumvent VLAN segmentation. << Previous Video: On-path Attacks Next Video: Spoofing >> If you look at the network configuration on your enterprise network, you’ll notice there are many different VLANs that have been configured. …
If an attacker can get into the middle of a conversation, they can effectively read and modify all network communication. In this video, you’ll learn about on-path attacks and how to prevent them. << Previous Video: Denial of Service Next Video: VLAN Hopping >> When we communicate to a web server, we’re usually assuming that …
On-path Attacks – N10-008 CompTIA Network+ : 4.2 Read More »
Some attackers are interested in causing as much downtime as possible. In this video, you’ll learn about denial of service attacks and how bots and botnets are used to create network service outages. << Previous Video: Risk Management Next Video: On-path Attacks >> A very broad description of a denial of service is when someone …
Denial of Service – N10-008 CompTIA Network+ : 4.2 Read More »
Managing risk is a constant task for any security administrator. In this video, you’ll learn about threat assessments, vulnerability scans, penetration testing, posture assessments, and more. << Previous Video: Authentication Methods Next Video: Denial of Service >> Threats to your network can come from anywhere. And it’s important as a system administrator or security professional …
Risk Management – N10-008 CompTIA Network+ : 4.1 Read More »
Authentication is at the core of most security implementations. In this video, you’ll learn about local authentication, multi-factor authentication, RADIUS, TACACS, LDAP, Kerberos, and more. << Previous Video: Defense in Depth Next Video: Risk Management >> If you have a wireless router at home, you’ve probably connected to that router to make configuration changes. And …
Authentication Methods – N10-008 CompTIA Network+ : 4.1 Read More »
A layered defense provides the strongest security. In this video, you’ll learn about network segmentation, screened subnets, separation of duties, network access control, and honeypots. << Previous Video: Security Concepts Next Video: Authentication Methods >> When you’re dealing with information technology, there’s no single security technique that is guaranteed to keep out any type of …
Defense in Depth – N10-008 CompTIA Network+ : 4.1 Read More »
Security is an area of information technology with its own language and concepts. In this video, you’ll learn about vulnerabilities, exploits, least privilege, zero trust, and more. << Previous Video: CIA Triad Next Video: Defense in Depth >>
The CIA (or IAC) triad is a foundation of IT security. In this video, you’ll learn about the confidentiality, integrity, and availability of the CIA triad. << Previous Video: Availability Concepts Next Video: Security Concepts >> When we refer to the fundamentals of IT security, one common description is the CIA triad. Sometimes you’ll see …
A network outage requires a recovery process to get everything running again. In this video, you’ll learn about recovery time objectives, recovery point objectives, mean time to repair, and mean time between failures. << Previous Video: Network Redundancy Next Video: CIA Triad >> We use a number of different metrics when we talk about recovering …
Availability Concepts – N10-008 CompTIA Network+ : 3.3 Read More »
