Detecting Network Sniffers
A packet sniffer is a program or device that eavesdrops on network traffic and gathers data from packets. Malicious intruders may install packet sniffers in order to retrieve usernames and passwords. 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 ...
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 ...
Denial of Service Attack (DoS) Detection and Mitigation
A Denial of Service Attack is when a hacker attempts to consume such a large amount of a server's resources that it's services will be unavailable to its intended users. For example a DoS attack against a web server attempts to prevent it from serving web pages to
legitimate Internet clients. More ...
Network Security by Filtering
Filtering allows network administrators to control which packets are permitted or denied in or out of a network. It can be used to control how much bandwidth can be used by parts of a network, but is more often used to provide security for a network. 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 ...
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 ...
Difference Between Rule and Role Based Access Control
Access control is the method used to block or allow access to a network or network resources. Two types of access control are rule-based and role-based. The difference between rule-based and role-based access control is explained here. More ...
How to Protect Your Business From a Cyber Attack
Hackers can be crippling for small businesses who, many times, never recover from the theft. Here are some precautions you can take to help keep your business protected against hackers. 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 ...
Use of Taps and Span Ports in Cyber Intelligence Applications
SPAN stands for Switched Port Analyzer, a dedicated port on a switch that takes a mirrored copy of network traffic from within the switch and sends it to, typically, a monitoring device, or other tool for troubleshooting or traffic analysis. 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's the Difference Between Sniffing, Snooping, and Spoofing?
Network sniffing and snooping involve tapping into network traffic for the purpose extracting usernames, passwords, account numbers, and other information. Spoofing is when a hacker creates an email or a website that appears to genuine but is designed for the purpose extracting usernames, passwords, account numbers. More ...
