Protecting Vital Resources
Intrusion Detection and Prevention Systems
IDPS and Components
Intrusion from the outside world, for good or bad, is serious concern in the networked global arena (Ierace et al., 2005). The loss of data and important and confidential business information can be utterly disastrous. Network systems that will detect and prevent such intrusions, therefore, are a necessity of the first order among enterprises. Intrusion attacks can come from hackers, malware or other old or new malicious creations from other sources. Intrusion detection is performed by monitoring computer systems and networks to sense indications of potential threats or violations on an organization's security policies. Another added feature is thwarting these threats before they can occur. Together, these are the components of an intrusion detection and prevention system or IDPS (Ierace et al.).
There are four classes of IDPS according to their functions and the methods they use (Ierace et al., 2005). These are network-based, wireless, network behavior analysis, and host-based systems. The network-based system monitors the whole network of all suspicious materials by scrutinizing all protocol activities. The wireless system oversees and analyzes all wireless network protocols of all suspicious phenomena. The network behavior analysis system investigates network traffic and identifies threats that create any unusual activity. This includes distributed denial of service attacks, malwares and violations of policies. And a host-based system is an installable software, which monitors a given host for probable or suspicious activities, by observing and scrutinizing these activities (Ierace et al.).
Components
These are sensors or agents, management servers, database servers, and consoles (Ierace et al., 2005). All four types have these components in common. Sensors or agents perform the monitoring and...
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