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Intelligence agency

government agency responsible for the collection, analysis or exploitation of information and intelligence

Layered newspapers, civic records and oral-history reels arranged as chronological evidence
History and societyInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 25, 2026
Entity authorityQ47913
Source-derived summary

An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information in support of law enforcement, national security, military, public safety, and foreign policy objectives.

Means of information gathering are both overt and covert and may include espionage, communication interception, cryptanalysis, cooperation with other institutions, and evaluation of public sources. The assembly and propagation of this information is known as intelligence analysis or intelligence assessment.

Objectives

Intelligence agencies can provide the following services for their national governments.

Give early warning of impending crisis;

Serve national and international crisis management by helping to discern the intentions of current or potential opponents;

Inform national defense planning and military operations, known as military intelligence;

Protect sensitive information secrets, both of their own sources and activities, and those of other state agencies;

Covertly influence the outcome of events in favor of national interests, or influence international security; and

Defense against the efforts of other national intelligence agencies, known as counterintelligence.

There is a distinction between "security intelligence" and "foreign intelligence". Security intelligence pertains to domestic security and related threats, including terrorism and espionage. Foreign intelligence involves information collection relating to the political, or economic activities of foreign states.

Some agencies have been involved in assassination, arms trafficking, coups d'état, and the placement of misinformation propaganda and other covert and clandestine operations to support their own or their governments' interests.

See also

Counter-intelligence and counter-terrorism organizations

Intelligence officer

List of defunct intelligence agencies

List of intelligence agencies

List of intelligence gathering disciplines

Private intelligence agency

Secret police

Security agency

Secret service

State Security (disambiguation)

References

Further reading

Books

Encyclopedia of Espionage, Intelligence, and Security, hrg.

Editorial summary

Begin with the source’s own compact description: “Intelligence agency” is government agency responsible for the collection, analysis or exploitation of information and intelligence. The dossier treats that line as a proposition to test through Intelligence, agency and government, not as a finished interpretation.

Editorial reviewMost valuable as an event-and-institution map that identifies actors, dates and record creators for deeper historical inquiry. The current 275-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, Intelligence, agency and government is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “government agency responsible for the collection, analysis or exploitation of information and intelligence” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Jun 25, 2026. The linked authority identifier is Q47913. The Library of Congress control number is sh85067175. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.

Critical limits

Official terminology may obscure informal participation, dissent or communities documented only indirectly. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Compare institutional narratives with records created by participants and affected communities. Dates and formal titles are useful anchors, but not substitutes for context.

Best used for
  • Event chronology
  • Institutional context
  • Locating named record creators
Verify next

Contemporary correspondence, government or organizational records, oral histories and cited historical scholarship.

Three-step research path

  1. Establish the record: confirm the title “Intelligence agency”, its source revision and the description used here.
  2. Expand the search: follow Intelligence agency primary sources, Intelligence agency archive and Intelligence research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Intelligence agency”?
  2. Who created the surviving record, and for what administrative purpose?
  3. Which voices are present, absent or mediated by the institution?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Intelligence agency” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.