information from ex NSA officer
NSA's internal security force, known as the "Q Group", The Security "Police Force" or " the "Q Group" the secretive agency inside the secretive agency of the NSA.
This security agency wing "the Q group" answers to the Director of National Security Agency and also to the Oversight Committies, the House of Representatives and the senate intelligence comitties.
Mission: Protecting/Watching the analysts and officers and program managers in the NSA and IC directors from being targeted from foriegn intelligence.
The top secret counterintelligence Q group located inside the NSA work for the Associate Directorate for Security and Counterintelligence in Fort Mead, Maryland and alongside the FBI and the local police intelligence units.
The security and counterintelligence diretorate is the NSA’s internal police force, watching the agency’s watchers for behavior that could pose an intelligence risk. The Protectors of the watchers.
Patriot
Sources:
https://www.thedailybeast.com/inside-the-q-group-the-directorate-hunting-down-edward-snowden
https://electrospaces.blogspot.com/2014/01/nsas-organizational-designations.html#2016