In most cases, it’s not possible to jump from one VLAN to another without a router. In this video, you’ll learn how attackers can use switch spoofing and double tagging to hop between VLANs. << Previous: Denial of Service Next Video: MAC Flooding >> On the switches that we use at home and in our […]
Some attackers would like your servers and networks to fail. In this video, you’ll learn about denial of service and how DoS amplification can be used to bring down a system with minimal resources. << Previous: Segmentation Enforcement Next Video: VLAN Hopping >> A denial of service is an action or series of actions that
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Segmentation can be an important method of managing security. In this video, you’ll learn about Internet of Things (IoT) segmentation, SCADA, operational technology, guest networks, and BYOD. << Previous: Regulatory Compliance Next Video: Denial of Service >> In IT security, segmentation can be a very valuable tool. We may want to physically separate devices from
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Almost every organization must manage compliance. In this video, you’ll learn about compliance requirements associated with data localization, the General Data Protection Regulation (GDPR), and the Payment Card Industry Data Security Standard (PCI DSS). << Previous: Security Technologies Next Video: Segmentation Enforcement >> An ongoing challenge for IT professionals is to maintain compliance with the
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There are many ways to help secure the enterprise. In this video, you’ll learn about honeypots and honeynets, risk, vulnerabilities, exploits, threats, and the CIA triad. << Previous: Authentication Next Video: Regulatory Compliance >> In IT security, there is a constant fight happening between the attackers and the folks that are being attacked. And one
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The authentication process is an important part of any infrastructure. In this video, you’ll learn about single sign-on, RADIUS, LDAP, SAML, and other authentication technologies. << Previous: Security Concepts Next Video: Security Technologies >> Many of us are very familiar with the process of authenticating. We put in a username, a password. Sometimes there’s an
Information security is a broad field with many security concepts. In this video, you’ll learn about the states of data, digital certificates, certificate authorities, identify and access management (IAM), and much more. << Previous: Remote Access Next Video: Authentication >> In IT security there are a number of different topics to consider. And in this
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Many network administrators are configuring switches and routers from a remote location. In this video, you’ll learn about SSH, API integration, consoles, jump boxes, and in-band and out-of-band management. << Previous: VPNs Next Video: Security Concepts >> If you’ve done anything in networking relating to switches, routers, firewalls, or other devices, then you’ve probably connected
Virtual Private Networks allow us to communicate securely over public networks. In this video, you’ll learn about client-to-site VPNs, clientless VPNs, and compare full VPN tunnels and split tunnels. << Previous: Time Protocols Next Video: Remote Access >> A VPN is a Virtual Private Network. That is a way of taking information that would normally
Time is an important metric for most networks. In this video, you’ll learn about the Network Time Protocol (NTP), Network Time Security (NTS), and Precision Time Protocol (PTP). << Previous: DNS Records Next Video: VPNs >> In this video we’re going to talk about NTP, or the Network Time Protocol. This is the protocol that
