Open Storage

Primary definition

1. Any storage of classified national security information outside of approved containers. This includes classified information that is resident on information systems media and outside of an approved storage container, regardless of whether or not that media is in use (i.e., unattended operations). Open storage of classified cryptographic material and equipment must be done within an approved COMSEC facility, vault, or secure room when authorized personnel are not present. Source: CNSSI No. 4005 (COMSEC) 2. Storage of classified information within an approved facility not requiring use of General Services Administration-approved storage containers while the facility is not occupied by authorized personnel. Source: ICS 700-1

Also known asunsecured storage · unattended storage · non-GSA storage
2 sources cited4 related termsReviewed by Martins Ogundare · Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source

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CNSSGC

1. Any storage of classified national security information outside of approved containers. This includes classified information that is resident on information systems media and outside of an approved storage container, regardless of whether or not that media is in use (i.e., unattended operations). Open storage of classified cryptographic material and equipment must be done within an approved COMSEC facility, vault, or secure room when authorized personnel are not present. Source: CNSSI No. 4005 (COMSEC) 2. Storage of classified information within an approved facility not requiring use of General Services Administration-approved storage containers while the facility is not occupied by authorized personnel. Source: ICS 700-1

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Open Storage. In Election Security Glossary. Retrieved September 3, 2026, from https://electionsecurityglossary.com/glossary/open-storage

Sources

2 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

Multi-source

View source

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