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What is Intrusion Detection System?

Intrusion Prevention System (IPS) is a tool used to lớn detect malicious activities occurring in the network and / or on the system. IPS can also be called intrusion detection and prevention system (IDPS). Intrusion Detection System works by detecting malicious activity, recording and reporting information about malicious activity, & trying khổng lồ prsự kiện it from happening.

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IPS is an expanded system based on the capabilities of Intrusion Detection System (IDS), serving the primary purpose of monitoring network and system traffic. What makes IPS more advanced than IDS systems is that they are located directly on the network (inline) so they have sầu the ability to prevent malicious activities from happening in real time.

How does Intrusion Detection System work?

The IPS is usually placed behind the Firewall and acts as a secondary filter against malicious activities. Since Intrusion Detection System is mix lớn inline, they are capable of analyzing and performing automatic actions on all network traffic flows. These tasks include alerting administrators, dropping dangerous packets, suspending traffic coming from malicious source addresses, & restarting connections.

An effective sầu IPS system should be kept khổng lồ a minimum lớn minimize the interference of network access performance. In addition, IPS systems must be fast & accurate enough to detect malicious activity in real time & minimize false alarms.


Intrusion Detection System has many different ways to detect malicious activity, but the two main methods used are signature-based detection & detection based on anomaly ( anomaly-based detection).

The digital signature method uses a database of digits containing the quality identifiers that exist uniquely within the source code of the various intrusions. There are two types of digital-based detection methods for IPS systems: exploit-facing & vulnerability-facing. The exploit face method detects malicious activity based on comtháng attack types, while the vulnerability face method tries lớn detect malicious activity by identifying specific vulnerabilities.

In addition, the anomalous detection method works by randomly sampling network traffic, & then comparing it with the baseline samples collected under normal conditions lớn identify the Intrusion attaông chồng sign.

How to lớn choose IPS?

Market Intrusion Detection System has a very wide range of products to lớn offer. This makes choosing the most suitable IPS system a pretty daunting task. In order lớn reduce the complexity of choosing the most suitable IPS system, Enterprises need to lớn set a specific budget, identify the criteria that the IPS system will need lớn meet, and study the systems. Different IPS are available in the market.

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However, it is important lớn note that Intrusion Detection System is a standalone system and not a complete security solution. Although IPS is a good giải pháp công nghệ it can help detect malicious activities on the network. However, a comprehensive & effective sầu security strategy will need khổng lồ leverage additional security technologies và solutions to lớn protect data, secure endpoints, và assist in response. network security incidents.