What is HIDS?

HIDS stands for “host-based intrusion detection system”. It is an intrusion detection system (a software application) used to monitor and detect any suspicious activity in a host. It may include intrusions through external factors and inappropriate use of resources and data by internal factors.

Host-based intrusion detection system (HIDS) definition is stated as “an intrusion detection system that has the capability to monitor and analyse the internal aspects of a computing system and any incoming/outgoing networking packets on its network interfaces.”.
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Host-based technology is ‘passive’ in nature, which implies that it is purposed to detect suspicious activities, not prevent them. Therefore, a Host intrusion detection system is usually used in combination with intrusion prevention systems (IPS), which are ‘active’ in nature. For a business that wishes to accomplish more extensive security visibility, host-based intrusion detection systems are generally stationed on a server and network-based intrusion detection systems (NIDS), which aggregates and analyses the security events from various sources.