| http://www.w3.org/ns/prov#value | - The NSA methods for spying upon computer emissions are classified, but some of the protection standards have been released by either the NSA or the Department of Defense.[5] Protecting equipment from spying is done with distance, shielding, filtering and masking.[6] The TEMPEST standards mandate elements such as equipment distance from walls, amount of shielding in buildings and equipment, and dis
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