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 ...
What Roles Do Firewalls and Proxy Servers Play in Network Security?
A firewall can detect specific application protocol content and filter out any applications that exhibits certain characteristics. A proxy server sits between hosts and server that filters requests by checking IP Addresses, Protocol and application content. More ...
How to Use the Open Source Intrusion Detection System SNORT
In terms of raw power and features, SNORT, the most commonly used Open Source Intrusion Detection System, (IDS) has begun to eclipse many expensive proprietary IDSes. In terms of documentation or ease of use, however, SNORT can seem overwhelming. 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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Data Encryption
There are two kinds of key encryption: private key and public key. In private key encryption a single key is used. Public key encryption uses two keys. One key, called the private key can only be used to decrypt a document. The other key, called the public key, can only encrypt a document. More ...
How to Secure Your Small Business Network
Automated scanning techniques and botnets don't care whether your company is big or small, they're only looking for holes in your network security to exploit. Here are 10 of the most critical steps you can take to keep your data secure, and none of them take much time or effort to accomplish. More ...
Email Security
Email has emerged as one of the most important communication mediums. Failing to secure your organization's mail servers may allow spammers to misuse your servers and bandwidth as an open relay to propagate their spam. 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 ...
