TEMPEST
From Citizendium, the Citizens' Compendium
This is a lemma article, containing just a definition. Click here to create the metadata page if you want to expand this into a full-fledged article.
TEMPEST:
Formally, the unclassified code word for means of protection against information disclosure by inadvertent leakage of radiated or conducted energy from electrical or acoustic devices; more broadly interpreted as passive means of intelligence collection of such leakage; generally a considered part of measurement and signature intelligence, primarily the radiofrequency MASINT subset thereof
