Design a Network Security Policy
A security policy is a statement of what your systems' users are and are not allowed to do. Make sure that the policy is consistent and clearly-written. More ...
Man in the Middle Attack
In a Man in the Middle (MIM) attack the hacker places eavesdropping equipment between the sending device and the receiving device. He intercepts the data, records it and possibly modifies it, then sends it on to the intended receiving device. More ...
What is Network AAA (Authentication, Authorization, and Accounting)?
The acronym AAA stands for three network procedures and processes that help to make a network more secure and reliable. The A's stand for Authentication, Authorization, and Accounting. The difference between authentication, authorization, and accounting is described here. More ...
What is Penetration Testing?
This book serves as an introduction to the steps required to complete a penetration test or perform an ethical hack. You learn how to properly utilize and interpret the results of modern day hacking tools; which are required to complete a penetration test. More ...
Handling Rogue Access Points
A Rogue access point is any wireless access points that exist on your network without the consent of the business. If an insider were to use a laptop to act as an access point, regardless of the intent, it poses a security risk. More ...
How to Tell if Someone is Lurking on Your Wireless Network
Have you ever wondered if someone else is on your wireless network, with out your knowledge, watching every site you visit or stealing account information? More ...
Network Security
Network security starts with physical security. Network components such as servers, hubs, and routers should be located in a secure equipment room. Part of physical security is protecting your cable plant from damage and electronic eavesdropping. More ...
Network Security Across the Enterprise
Today's business networks consist of numerous remote access connections from employees and outsourcing firms. Often, the security risks from connections outside the network are overlooked. The proper security solution for your organization will neutralize virtually all of these threats to your network. More ...
Firewall Rules
The purpose of a network firewall is to protect computer and IT resources from malicious sources while allowing internal network users to access the Internet. For this purpose it uses an Access Control List (ACL). More ...
What Is Penetration Testing?
Penetration testing is one of the hottest up and coming skills any IT professional needs to have. Companies are actively looking for penetration testers and professionals with a background in IT security and the ability to do penetration testing. More ...
How a Firewall Provides Network Security
A firewall provides security by controlling access between a network and an untrusted network. A firewall can be a hardware device, software, or combination of hardware and software. More ...
ARP, MAC, Poisoning, and WiFi Security
In this article we cover the basics on Address Resolution Protocol (ARP), Media Access Control Addresses (MAC), Wireless (WiFi), and layer 2 communications. I explain how a 'Man in the Middle Attack' works. The common name for this is ARP poisoning, MAC poisoning, or Spoofing. More ...
Remote Access Authentication Protocols
A remote access authentication protocol is the method by which remote users will be authenticated when they log on the network. Some options are EAP, CHAP, and PAP, explined here. More ...
