1. A method of providing security, comprising: making, by a security providing apparatus, an evidence collection request for collection of evidence of an evidence collection-target apparatus to an evidence collection agent in a remote digital forensic environment; collecting evidence data corresponding to the evidence collection request from the evidence collection agent; verifying the evidence data based on a signature value of the evidence data collected from the evidence collection agent; generating evidence analysis data based on the verified evidence data; verifying the evidence analysis data based on a signature value of the evidence analysis data; and providing security for the evidence collection-target apparatus based on results of the verification of the evidence analysis data.