Firewall Perimeter Network (DMZ)
A DMZ (Demilitarized Zone) or Perimeter Network is the area between the firewall that protects the network from untrusted external networks (the Internet) and the firewall that protects the internal network. More ...
Network Security Model - Defining an Enterprise Security Strategy
These are the five primary security groups that should be considered with any enterprise security model. These include security policy, perimeter, network, transaction and monitoring security. These are all part of any effective company security strategy. More ...
Wireless Network Security
Before the IEEE completed the 802.11i standard the Wi-Fi Alliance released WPA. After the release of the IEEE 802.11i standard, the Wi-Fi Alliance released WPA2 which is compatible with both the 802.11i standard and WPA. More ...
Firewall Internet Security - The Basics of a Firewall
Enterprise companies today employ firewalls that inspect sessions between external and internal hosts and devices. The firewall filters traffic by examining the source and destination IP addresses, application port and protocol port before making a decision whether to permit or deny a session or specific traffic. More ...
Understanding the Different Classes of Firewalls
A firewall is able to achieve its functions through the capabilities it is able to provide. These are the capabilities determine the type of firewall to needed to meet a certain and specific set of security needs. More ...
What is Cross Site Scripting?
Cross-site scripting attacks are used to steal information from your browser when you visit websites such as ecommerce stores, forums, and even your email accounts. More ...
Security Issues with Wireless LANs
Wireless LAN (WLAN) security threats include war dialing, war driving, war chalking, WEP and WPA security cracking, and rogue access points. This artilce discuses approaches to WLAN Security. More ...
Domain Name System (DNS) Vulnerabilities
The original design of the DNS did not include robust security features. DNS vulnerabilities open networks to various types of attacks, cache poisoning and DDoS attacks being the most common. More ...
Elementary Information Security
This book is certified to comply fully with the NSTISSI 4011 federal training standard for information security professionals. The text emphasizes both the technical and non-technical aspects of information security and uses practical examples and real-world assessment tools. More ...
Methods to Combat Distributed Denial of Service (DDoS) Attacks
DDOS attacks are costly in terms of lost revenue and added costs. DDoS attack protection plays a fundamental role in keeping businesses online. Here are some strategies that can be used to protect against a DDoS attack. More ...
Avoid Hacks by Rogue Wireless Devices
Watch out for hacking from unauthorized routers and wireless clients that are attached to your network. By using NetStumbler or your client manager software, you can test for access points (APs) and ad-hoc devices that don't belong on your network. More ...
How SSL (Secure Sockets Layer) Works
SSL is a security protocol standard that encrypts communication between a web browser and a web server. Any organization that uses their website to transmit, receive, store, or display confidential or sensitive information such as passwords, credit card or bank account numbers, social security numbers, and so on, needs to use an SSL Connection. More ...
How to Secure Your Wireless Network
If you use a wireless network, chances are good it is not secure. If you don't make some important configuration changes on your wireless router after installing it, your wireless network is wide open to hackers, curious neighbors and people who would rather use your broadband internet service instead of buying their own. More ...
