Читать книгу The Official (ISC)2 SSCP CBK Reference - Mike Wills - Страница 139

The second type of authentication factor is “something you have,” meaning a physical object of some kind. Physical keys, passes, and tokens have been used throughout history for this, with each form of pass becoming obsolete, impractical, or both over time. Consider how many hotels have replaced the nonelectronic locks on the doors to guest rooms with electronic locks that read the key cards generated by the front desk when a guest checks in. Physical access control factors provide additional information during the authentication process, information that you would not normally know. For example, a smart card or electronic ID card contains a chip, which contains firmware and data that interact with the authentication process.