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What does PSI stand for?

PSI stands for Personnel Security Investigation

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Military and Government

See other meanings of PSI

Other Resources:
We have 794 other definitions for PSI in our Acronym Attic

Samples in periodicals archive:

In the US, Diplomatic Security personnel protect the Secretary of State and high- ranking foreign dignitaries and officials visiting the United States, investigates passport and visa fraud, and conducts personnel security investigations.
Defense Department and DON policy require personnel who access PII to receive a favorable personnel security investigation.
These requirements include, among other things, milestones for the reduction in length of time to complete personnel security investigations and adjudications, reciprocity of security clearance and access determinations, the establishment of an integrated database to track investigative and adjudication information with the authorization of appropriations for its implementation, and continuous evaluation of available technology in investigations and adjudications.
The Battalion's secondary mission, Cl operations, provides soldiers the opportunity to participate in Foreign Military Intelligence Collection Activities (FORMICA) interviews and personnel security investigations.
With that history in mind, perhaps it is not so surprising that a GAO analysis of 530 personnel security investigations at the DoD reveals that background investigations of personnel are woefully inadequate.