A '''host-based intrusion detection system''' ('''HIDS''') is an [[intrusion detection system]] that monitorsis capable of monitoring and analyzesanalyzing the internals of a computing system as well as (in some cases) the network packets on its network interfaces, (justsimilar to the likeway a network-based intrusion detection system (NIDS) would do)operates.<ref name=newman2009/> This was the first type of intrusion detection software to have been designed, with the original target system being the [[mainframe computer]] where outside interaction was infrequent.<ref name=cn31_8_805/>
