Network Intrusion Detection (IDS) Software
Tips & Advice to help you make your decision on Network Intrusion Detection (IDS) Software
Security is of paramount importance to computer networks everywhere. Computer security issues have become more of a cause for concern with hacking, spyware and malware incidents regularly featuring in the news. To help combat this growing problem, many discerning businesses are choosing to employ network intrusion detection (IDS) software.
Network intrusion detection (IDS) software applications are designed to alert you when your computer network has been compromised. Regardless of what business you are in, most companies operate with a fair amount of sensitive information contained within their network. Protecting this information can be vital to maintaining your client's trust.
When it comes to something as sensitive as your computer network's security, it pays not to take chances. Even if you already have a network firewall in place, it's probably in your best interest to employ a reliable IDS software application. Software application of this kind will inform you immediately if it appears your network has been hacked or that information has left your system in a manner regarded as suspicious. Business.com is a free online resource that helps businesses, associations and individuals everywhere find products, services and solutions they are looking for. Visit the links on the left to learn more.
Network Intrusion Detection (IDS) Software Key Terms
Hack into the terminology of network intrusion-detection softwareBy Felicia R. Blue Using network-intrusion detection software is one of the best ways to protect a computer network. While corporations use this software to identify malware and viruses, they rely on it more to detect more complicated attacks, such as data- driven attacks on applications and unauthorized logins. Network-intrusion detection software can be proactive or passive. If it’s proactive, it can reboot a server or change the device’s configurations so as to prevent an intruder from invading the network.
Network-intrusion detection software
Network-intrusion detection software closely tracks and investigates traffic on a network. It monitors for malicious activity, such as malicious SQL (structured query language) injections or DoS (denial of service) attacks.
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TechExams has good information on network-intrusion detection software.
Passive-response system
Network-intrusion detection software can be considered a passive response. A passive response system identifies the suspicious activity, logs the data and notifies the system administrator. It is then up to the administrator to take the next step to stop the attacks from occurring.
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TechTarget gives a definition of a passive-response system.
Active-response system
Network intrusion-detection software can also be proactive. This is known as action response, or reactive. An active-response system takes action against suspicious activity. After it detects an attack, an active-response system can change the network device's settings, such as firewalls or routers, reboot the server or close ports and connections.
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Go to Security Focus to read about active-response systems.
Network based
Network-based, intrusion-detection software examines all network traffic. It also keeps track of multiple hosts. Network-based, intrusion-detection software is attached to a network device, such as a network switch or hub. This is how it can access and monitor network traffic.
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Go to SANS to learn how to implement network-based, intrusion-detection software in switched environments.
Host based
Host-based, network-intrusion detection software monitors suspicious activity on a host, which is a local system. The host-based, intrusion-detection software identifies intrusions by analyzing application logs or system log files.
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ZDNET explains how host-based, intrusion-detection software works.
Firewalls
Firewalls block intruders from accessing the network. They work closely with routers, analyzing network packets and deciding if they should forward the data to the destination. Firewalls can be either software or hardware. Firewalls are not known for being as proactive as network-intrusion detection software.
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Read about how CA incorporates firewall and intrusion-detection software into one product.
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