UPSC Notes

Terrorism and Counter-Terrorism

PYQs

8

Articles

1

Momentum

21

Phase IFoundation

Background

Overview

Terrorism is a persistent global threat with significant implications for national security, international relations, and internal stability, making it a crucial topic for UPSC aspirants to understand its causes, manifestations, and counter-strategies.

Terrorism refers to the unlawful use of violence and intimidation, especially against civilians, in the pursuit of political aims. Counter-terrorism encompasses the practices, tactics, techniques, and strategies that governments, militaries, law enforcement agencies, and intelligence agencies use to combat or prevent terrorism.

Phase IIStatic core

Facts & tables

Key facts

9/11 Attacks

The September 11 attacks by al-Qaeda marked a significant shift in global terrorism and international security policy.

Operational Flexibility

Terrorist groups often employ flexible operational decision-making and broad definitions of acceptable targets, enabling adaptation to changing conditions.

WMD Concerns

Concerns about terrorists seeking Weapons of Mass Destruction (WMD) capability remain a critical and persistent threat.

Intelligence Sharing

Effective counter-terrorism relies heavily on intelligence gathering, analysis, and international cooperation among security agencies.

Reference table

Static syllabus anchors

TypeReference
Conceptual areaInternal Security
Conceptual areaInternational Relations

Reference table

Institutions & roles

BodyRole
United NationsCoordinates international counter-terrorism efforts and conventions
InterpolFacilitates international police cooperation against terrorism
Phase IIIExam lens

Prelims angle

Overview

Prelims angle: Statement-based questions

Prelims angle: Conceptual understanding

Quick revision

  • Terrorism: unlawful violence for political aims.
  • 9/11: pivotal event, global security shift.
  • Al-Qaeda: example of transnational terrorist group.
  • Counter-terrorism: intelligence, law enforcement, international cooperation.
  • Threats: WMD, evolving tactics.

High-confidence PYQs

Topic timeline

Internal SecurityInternational Relations

CIA releases dozens of presidential daily briefs on Laden and al-Qaeda

12 Sep 2026 · Global terrorism, exemplified by 9/11 and al-Qaeda, necessitates robust counter-terrorism strategies, intelligence gathering, and international cooperation to mitigate threats like WMD proliferation and evolving operational tactics.

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Related topics

Current topic

Terrorism and Counter-Terrorism

Practice writing on this topic

UPSC has asked 8 linked questions on Terrorism and Counter-Terrorism in Mains. Write an answer to one — and get it evaluated.

UPSC Prelims PYQs on Terrorism and Counter-Terrorism

Practice official previous year questions asked by UPSC related to this concept.

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