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Computer Network Security

Intrusion Detection System (IDS) and Intrusion Prevention System (IPS)
"Most organizations use both IDS and an IPS. The IPS automatically blocks attacks where it is accurate, while the IDS logs and notifies network administrators of suspicious activity so they can use their judgment as to what countermeasures to take. 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 ...

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 ...

Cyber Security Tips for Small and Medium Business (SMB)
When it comes to small or medium enterprise the impact of security threat is even more severe. Cyber criminals love to target small business largely due to the fact that SMBs cannot afford to implement strong security protocols. More ...

Prevent Hacking with Password-Cracking Countermeasures
Taking some general countermeasures can prevent hacking of your important passwords. Many people use the same passwords on every system they use. For this reason, you might instructg users to create different passwords especially on the systems that protect information that's more sensitive. 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 ...

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 ...

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 ...

Designing Physical Network Security
Network security covers a multitude of issues. The first issue to address is physical access to your network. More ...

Wireless Network Security - The Basics of Securing a Wireless LAN
This article discusses how to secure your home and business wireless network. The process of a client associating and authenticating to an access point is standard. The security requirements vary from a home network, small business network and government departments requiring stringent network security. More ...

Multi-Layered Approach to Cyber Security
A multi-layered approach can be tailored to different levels of security. Not every asset needs to be completely secure; instead, only the most business critical assets, such as proprietary and confidential information, need be protected by the most restricted settings. 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 ...

What is a Password Hash and Salt?
Never store a user's password as plain-text. A Hashing algorithm is similar to encryption. To increase the security of a hashed password, a random value called salt is added to the hash. More ...


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