What Are Intrusion Detection System

What Are Intrusion Detection System



With computer hackers and​ identity thieves getting more computer literate, the​ security your computer needs to​ keep them out has to​ always stay at​ least one step in​ front. There is​ a​ different type of​ computer safety tool that detects an​ attack or​ system intrusion before it​ has the​ chance to​ harm your computer. it​ is​ called an​ IDS or​ Intrusion Detection System and​ is​ another form of​ application layer firewall. Intrusion detection systems are programmed to​ detect attempted malicious attacks or​ intrusions by computer hackers trying to​ get into your system by detecting inappropriate, incorrect, or​ anomalous activity. There does seem to​ be some question of​ how well this system works when many personal computer users are going to​ wireless online connections. Some will argue that with the​ adoption of​ intrusion prevention technologies has created a​ unique challenge for​ security professionals. in​ order to​ make this type of​ system effective, such monitoring of​ these devices requires extensive security expertise and​ time. if​ devices are incorrectly tuned and​ not regularly updated, attacks of​ malicious traffic and​ intrusions may be permitted. in​ order to​ prevent downtime, security professionals also must continually check on these devices in​ order to​ keep the​ system running smoothly.

There are three different types of​ intrusion detection systems.

A host-based Intrusion Detection Systems consists of​ an​ agent on a​ host that can identify intrusions by analyzing system calls, application logs, and​ host activities. Network Intrusion Detection System is​ an​ independent platform that identifies intrusions by examining network traffic and​ monitors multiple hosts. These gain access to​ network traffic by connecting to​ a​ hub, network switch configured for​ port mirroring, or​ network tap.

Hybrid Intrusion Detection Systems combine both approaches and​ the​ host agent data is​ combined with network information to​ form a​ complete view of​ the​ network.

A Signature-Based Intrusion Detection System can identify intrusions by watching for​ patterns of​ traffic or​ application data presumed to​ be malicious. These systems are able to​ detect only known attacks, but depending on their rule set, signature based IDS's can sometimes detect new attacks which share characteristics with old attacks.

Anomaly-Based Intrusion Detection Systems identify intrusions by notifying operators of​ traffic or​ application content presumed to​ be different from normal activity on the​ network or​ host. Anomaly-Based Intrusion Detection Systems typically achieve this with self-learning.

A Signature-Based Intrusion Detection System identifies intrusions by watching for​ patterns of​ traffic or​ application data presumed to​ be malicious. These type of​ systems are presumed to​ be able to​ detect only 'known' attacks. However, depending on their rule set, signature-based IDSs can sometimes detect new attacks which share characteristics with old attacks, e.g., accessing 'cmd.exe' via a​ HTTP GET request.

An Anomaly-Based Intrusion Detection System identifies intrusions by notifying operators of​ traffic or​ application content presumed to​ be different from 'normal' activity on the​ network or​ host. Anomaly-based IDSs typically achieve this with self-learning.

Features and​ Benefits the​ Managed Intrusion Prevention Service includes:

Configure and​ provision device

Create initial policy; update and​ tune policy on an​ ongoing basis

Monitor and​ report on health and​ security events 24x7

Industry leading Service Level Agreement

Report all security events on the​ Client Resource Portal

Flexible reporting options on Client Resource Portal

Notify customers of​ major security and​ health issues

Upgrade and​ patch devices

Seamless integration with VeriSign's Incident Response and​ Computer Forensics team

Whether used for​ detection or​ prevention, Intrusion SecureNet technology is​ peerless in​ accurately detecting attacks and​ proactively reporting indicators of​ future information loss or​ service interruption. Using pattern matching for​ performance and​ protocol decoding to​ detect intentional evasion and​ polymorphic or​ patternless attacks, as​ well as​ protocol and​ network anomalies before a​ new attack has a​ signature created, the​ SecureNet System is​ ideal for​ protecting critical networks and​ valuable information assets.




You Might Also Like:




No comments:

Powered by Blogger.