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 ...
The Basics of Network Security
As technology and computer networks grow sophisticated over time, so do the intrusion techniques that scammers use in order to infiltrate them. If you're serious about protecting your company's private information , you need to do a lot more than have a router and firewall in place. 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 ...
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 ...
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 ...
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 ...
Public Key Infrastructure
PKI (Public Key Infrastructure) uses a public and private key pair obtained and shared through a trusted authority. Public and private keys are used to lock (encrypt) and unlock (decrypt) data. Certificates are the cornerstones of the PKI. More ...
Overview of IPsec with IKEv1
VPN (Virtual Private Network) technologies such as IPsec (IP Security) with IKE (Internet Key Exchange) offer the ability to transmit over broadband securely. 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
Network security starts with physical security. Network components such as servers, hubs, and routers should be located in a secure equipment room. Part of physical security is protecting your cable plant from damage and electronic eavesdropping. 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 ...
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 ...
