Hacking Phase 1 - Reconnaissance

* Reconnaissance refers to the preparatory phase where an attacker seeks to gather as much information as possible about a target of evaluation prior to launching an attack. It involves network scanning either external or internal without authorization *

Business Risk - To see if someone is watching and responding. Could be future point of return when noted for ease of entry for an attack when more is known on a broad scale about the target.
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Passive reconnaissance involves monitoring network data for patterns and clues.
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Examples include sniffing, information gathering etc.
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Active reconnaissance involves probing the network to detect
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accessible hosts
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open ports
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location of routers
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details of operating systems and services