Which class of storage vault is used for storing secret and confidential material?

The class of storage vault that is used for storing secret and confidential material is Class B. Class B vaults are specifically designed to meet the security requirements for materials that are classified as secret, thereby providing a higher level of protection than lower classes. These vaults typically offer reinforced construction, advanced locking mechanisms, and systems designed to deter unauthorized access, in alignment with government regulations and standards for safeguarding sensitive information.

On the other hand, the other vault classes, such as Class A, Class C, and Class D, have different specifications and security measures catering to varying levels of classification and sensitivity of the materials stored. Each class is structured to provide a specific security level, designed to correspond with the classification of the material it holds. By understanding these classifications, individuals can ensure the appropriate security measures are in place for the sensitive materials they are required to protect.