Storage system, storage control device, and computer-readable recording medium

A storage control device, comprising:

• an alternative information creating unit that creates alternative information serving as an alternative for confidential information, and stores correspondence information, in which the created alternative information is associated with the confidential information, in a storage device;
• a first history information creating unit that creates history information of an operation of the storage control device by using the alternative information;
• a first storage unit that stores therein the history information created by the first history information creating unit;
• and
• an information providing unit that receives an information provision request, determines whether a transmission request for the correspondence information is included in the information provision request, and when the transmission request is included, acquires the history information from the first storage unit, acquires the correspondence information from the storage device, and outputs the acquired correspondence information and history information, and when the transmission request is not included, acquires the history information from the first storage unit, and outputs the acquired history information.

A non-transitory computer-readable recording medium having stored therein a program that causes a computer to execute a storage control process, comprising:

• creating alternative information serving as an alternative for confidential information;
• storing correspondence information, in which the created alternative information and the confidential information are associated with each other, in a storage device;
• creating history information of an operation of a storage control device by using the alternative information;
• storing the created history information in a memory;
• receiving an information provision request and determining whether a transmission request for the correspondence information is included in the information provision request;
• and
• when the transmission request is included, acquiring the history information from the memory, acquiring the correspondence information from the storage device, and outputting the acquired correspondence information and history information, and when the transmission request is not included, acquiring the history information from the memory, and outputting the acquired history information.