What Is a Host-Based Intrusion Detection System (HIDS)? A host-based intrusion detection system, or HIDS , is a network application that monitors suspicious and malicious behavior, both internally and externally. The HIDS’ job is to flag any unusual patterns of behavior that could signify a breach. By bringing this activity to the team’s attention, the HIDS enables in-house staff to investigate and block nefarious activity before serious consequences occur. “Host-based” refers to the fact that HIDS only monitors and detects across host machines – not the network, which it only uses as a data…
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