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CIS Critical Security Controls
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3,11: Encrypt Sensitive Data at Rest
Encrypt Sensitive Data at Rest
3,11: Encrypt Sensitive Data at Rest

Encrypt sensitive data at rest on servers, applications, and databases containing sensitive data. Storage-layer encryption, also known as server-side encryption, meets the minimum requirement of this Safeguard. Additional encryption methods may include application-layer encryption, also known as client-side encryption, where access to the data storage device(s) does not permit access to the plain-text data.

Policy defined
Not applicable - Not applicable
None - None
Informal - Informal
Partially written - Partially written
Written - Written
Approved and communicated - Approved and communicated
Control implemented
Not applicable - Not applicable
Not implemented - Not implemented
Parts of policy implemented - Parts of policy implemented
Implemented on some systems - Implemented on some systems
Implemented on most systems - Implemented on most systems
Implemented on all systems - Implemented on all systems
Control automated
Not applicable - Not applicable
Not automated - Not automated
Parts of policy automated - Parts of policy automated
Automated on some systems - Automated on some systems
Automated on most systems - Automated on most systems
Automated on all systems - Automated on all systems
Control reported
Not applicable - Not applicable
Not reported - Not reported
Parts of policy reported - Parts of policy reported
Reported on some systems - Reported on some systems
Reported on most systems - Reported on most systems
Reported on all systems - Reported on all systems
Description

Encrypt sensitive data at rest on servers, applications, and databases containing sensitive data. Storage-layer encryption, also known as server-side encryption, meets the minimum requirement of this Safeguard. Additional encryption methods may include application-layer encryption, also known as client-side encryption, where access to the data storage device(s) does not permit access to the plain-text data.