There are many best-practices when hardening a network. In this video, you’ll learn about SNMP versions, port security, private VLANs, and much more. << Previous Video: Social Engineering Next Video: Wireless Security >> If you’re a network administrator, then you’re probably using SNMP, or the Simple Network Management Protocol, to be able to query and […]
Network Hardening – N10-008 CompTIA Network+ : 4.3 Read More »
Attackers often use social engineering to gain access to a physical building or confidential data. In this video, you’ll learn about phishing, tailgating, piggybacking, and shoulder surfing. << Previous Video: Deauthentication Next Video: Network Hardening >> If you’ve ever received an email message or a text message that’s encouraging you to visit a website or
Social Engineering – N10-008 CompTIA Network+ : 4.2 Read More »
Older 802.11 networks are susceptible to deauthentication attacks. In this video, you’ll learn how deauthentication attacks work and how to prevent them on your wireless network. << Previous Video: Password Attacks Next Video: Social Engineering >> Here’s a scenario you might find yourself in. You’re on a wireless network, working normally, and then all of
Deauthentication – N10-008 CompTIA Network+ : 4.2 Read More »
Attackers have many tools for attacking passwords and user credentials. In this video, you’ll learn about password hashes, brute force attacks, and dictionary attacks. << Previous Video: Malware and Ransomware Next Video: Deauthentication >> We use usernames and passwords to authenticate into many different systems. This could be an operating system or an application. But
Password Attacks – N10-008 CompTIA Network+ : 4.2 Read More »
Malware infections can create unexpected downtime and data breaches. In this video, you’ll learn about malware and ransomware. << Previous Video: Rogue Services Next Video: Password Attacks >> Malware is software that’s been installed onto your system that’s designed to be malicious. For example, you might have malware installed that gathers information from the keystrokes
Malware and Ransomware – N10-008 CompTIA Network+ : 4.2 Read More »
Keeping rogue devices off the network is an important security policy. In this video, you’ll learn about rogue DHCP servers, rogue access points, and evil twins. << Previous Video: Spoofing Next Video: Malware and Ransomware >> When most people connect to a network, their device is assigned an IP address from an existing DHCP, or
Professor Messer’s Network+ Course Notes: Have you watched my CompTIA Network+ videos, but you’d like to have all of the notes available in one place? With these detailed Network+ study guides, you can focus your study efforts and make your study time more efficient! Audio Replay:
Professor Messer’s N10-008 Network+ Study Group – November 2021 Read More »
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.
