Approaches of Network Security
Organisations can choose from several approaches to network security. A particular approach, or paradigm, will influence all subsequent security decisions and set the tone for the entire...
Denial of Service Attacks
The first type of attack to examine is the denial of service (DoS). A denial of service attack is any attack that aims to deny legitimate users...
All about Proxy Servers
What's a Proxy Server?
An intermediary worker goes about as a door among you and the web. It's a mediator worker isolating end clients...
Introduction to Network Security
Computer data often travels from one computer to another, leaving the safety of its protected physical surroundings. Once the data is out of hand, people with bad intention could...
Windows Firewalls
Windows first started shipping a primitive firewall, called Internet Connection Firewall (ICF), with Windows 2000. It was very simple. Each version of Windows since then has expanded...
Security Terminology
Security professionals have specific terminology. Individuals or system administrators having experience in network administration are probably already familiar with most of these terms. Although most hacking terminology...
Modern Encryption Methods
Modern methods of encryption are more secure than the historical methods discussed in the previous section. All the methods discussed in this section are in use today...
Basic Network Utilities
Ipconfig
The first thing you want to do is get information about your own system. To accomplish this, you must get a command prompt....
Law and Network Security
An increasing number of legal issues affect how administrators approach network security. If your organisation is a publicly traded company, a government agency, or does business with...
Session Hijacking
Another form of attack is session hacking or hijacking. TCP session hijacking is a process where a hacker takes over a TCP session between two machines. Because...