--- title: "Network Security Archives - Cybr" description: "Read practical guides, tutorials, and security research about Network Security from the Cybr blog." url: https://cybr.com/network-security-archives/ --- From the blog # Network Security Read practical guides, tutorials, and security research about Network Security from the Cybr blog. Browse the archive ## Latest articles 10 on this page - September 20, 2023 ### Network ACLs (NACLs) versus Security Groups (SGs) \[Cheat Sheet\] To control the flow of data in and out of your VPCs and Subnets in AWS, you can use Network Access Control Lists (NACLs), Security Groups… Read article [Network ACLs (NACLs) versus Security Groups (SGs) \[Cheat Sheet\]](https://cybr.com/cloud-security/network-acls-nacls-versus-security-groups-sgs-cheat-sheet/) - September 15, 2023 ### Network Access Control (NAC) In our course, we talk about Zero Trust and how it’s an approach that believes in continuously checking access and policy violations, even within internal… Read article [Network Access Control (NAC)](https://cybr.com/certifications-archives/network-access-control-nac/) - June 9, 2023 ### Next-Generation Firewalls (NGFWs) For the CompTIA Security+ exam, it’s important to understand what Next-Generation Firewalls (NGFWs) are. In this article, let’s learn about additional functionality that we get… Read article [Next-Generation Firewalls (NGFWs)](https://cybr.com/certifications-archives/next-generation-firewalls-ngfws/) - June 2, 2023 ### Network Access Control Lists (NACLs) and Security Groups (SGs) Access Control Lists (ACLs) also known as Network Access Control Lists (NACLs) and Security Groups (SGs) are used to allow or deny inbound or outbound… Read article [Network Access Control Lists (NACLs) and Security Groups (SGs)](https://cybr.com/cloud-security/network-access-control-lists-nacls-and-security-groups-sgs/) - May 12, 2023 ### Authentication Protocols (802.1X, EAP/PEAP, EAP-FAST/TLS/TTLS, and RADIUS) Let’s talk about network authentication protocols that we can use and that we need to know for the CompTIA Security+ exam. We’re going to discuss:… Read article [Authentication Protocols (802.1X, EAP/PEAP, EAP-FAST/TLS/TTLS, and RADIUS)](https://cybr.com/certifications-archives/authentication-protocols-802-1x-eap-peap-eap-fast-tls-ttls-and-radius/) - March 6, 2022 ### Initialization Vector (IV) attacks with WEP Understanding Initialization Vector (IV) attacks is important for the CompTIA Security+ exam, but it can be confusing if you’re not as familiar with cryptography concepts.… Read article [Initialization Vector (IV) attacks with WEP](https://cybr.com/certifications-archives/initialization-vector-iv-attacks-with-wep-comptia-security/) - September 14, 2021 ### New Course: Networking Fundamentals Networking is one of the most recommended topics to learn for anyone interested in being in an IT career, and so it’s arguably one of… Read article [New Course: Networking Fundamentals](https://cybr.com/network-security-archives/new-course-networking-fundamentals/) - April 16, 2021 ### Project: DMZ and Network Hardening Tutorial with Packet Tracer This tutorial will cover setting up a DMZ architecture as well as some other network security controls. DMZs are demilitarized zones, meaning that they are… Read article [Project: DMZ and Network Hardening Tutorial with Packet Tracer](https://cybr.com/network-security-archives/project-dmz-and-network-hardening-tutorial-with-packet-tracer/) - July 24, 2020 ### Project: Using Cisco Packet Tracer to learn networking This project was created by Cybr Member, Nick Gimbel. Check out his other related project DMZ and Network Hardening with Packet Tracer. This tutorial is… Read article [Project: Using Cisco Packet Tracer to learn networking](https://cybr.com/cybersecurity-fundamentals-archives/project-using-cisco-packet-tracer-to-learn-networking/) - July 6, 2020 ### Windows 10 ARP Spoofing with Ettercap and Wireshark Ettercap’s developers have released an updated version (0.8.3) that fixes prior bugs and gives the user a redesigned GUI. In my prior tutorial, I went… Read article [Windows 10 ARP Spoofing with Ettercap and Wireshark](https://cybr.com/cybersecurity-fundamentals-archives/windows-10-arp-spoofing-with-ettercap-and-wireshark/) 1[2](https://cybr.com/network-security-archives/page/2/) [Next](https://cybr.com/network-security-archives/page/2/)