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{{disambig}} ==Military and intelligence== In a military and intelligence context, '''reconnaissance''' involves dissimilar concepts, either conducting potential combat operations, or the gathering of information by physical observation or remote viewing with technological sensors. {{r|Armed reconnaissance}} {{r|Reconnaissance in force}} {{r|Special reconnaissance}} '''Reconnaissance satellites''' and '''reconnaissance aircraft''' also gather information. Without further detail, they are assumed to be primarily collecting [[imagery intelligence]]. ==Computer network security== '''[[Network reconnaissance]]''' is a term for testing for potential vulnerabilities in a computer network. This may be a legitimate activity by the network owner/operator, seeking to protect it or to enforce its [[acceptable use policy]]. It also may be a precursor to external attacks on the network. Certain apparent reconnaissance activities, which would be highly suspicious if coming from outside the network, may be perfectly normal network performance and reliability monitoring when performed inside the boundaries of the network. Some [[network intrusion detection system]]s have difficulty in determining if a reconnaissance activity is internal or external, and generate many false alarms causing [[fear, uncertainty and doubt]].

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Return to Reconnaissance (disambiguation).