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 ...
Top Ways to Prevent Data Loss
Data loss is crippling for any business, especially in the age of big data where companies rely on digital information to refine their marketing, contact prospects, and process transactions. The first goal should be to prevent data loss from occurring in the first place. 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 ...
Network User Authentication
Some switches require users to authenticate themselves before gaining access to the rest of the network. Network Access Control (NAC) checks the characteristics of the device seeking admission to the network. More ...
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 ...
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 ...
What is a Botnet Attack and How to Identify It?
Attacks against networks are increasing because attackers find many networks are not properly patched and secured behind a firewall. Once attackers have compromised a machine, they simply install a bot on it to establish communication. The botnet is then controlled by the attacker. 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 ...
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 ...
How to Stop Hackers from Invading Your Network
Large corporations, banks, financial institutions, security establishments are particularly favorite targets for hackers. However, this menace can be prevented to a great extent if proper security measures are taken. More ...
How Snort's Stealth TCP Port Scanning Works
Snort is an open source network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching and matching, and can be used to detect a variety of attacks and probes. 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 ...
Digital Signatures and Certificates
The construction of the Digital Signature entails applying a hash function to the message by concatenation of the message with a known secret key and then applying a mathematical function which will produce a fixed length output known as the digest. More ...
