Inter-Services Intelligence

ISI

Pakistan's principal intelligence service, military-led and unusual among comparable services in combining foreign-intelligence collection, counter-intelligence, and a substantial domestic political role within a single agency.

Audio readout of this profile.

Overview

The Inter-Services Intelligence Directorate is Pakistan's principal intelligence service. It is unusual among comparable state intelligence services in three respects: it is led by a serving lieutenant-general of the Pakistani Army, despite being formally an inter-services body; it combines foreign-intelligence collection, counter-intelligence, signals intelligence, and a substantial domestic political role within a single agency; and it has, across substantial periods of Pakistani history, operated with a degree of independence from civilian government oversight that is without close parallel in comparable jurisdictions.1

The Directorate is headquartered in Islamabad's Aabpara neighbourhood. Its budget and personnel are classified; published Western analytical estimates place the workforce at approximately 25,000 across central, provincial, and joint counter-intelligence directorates. The Director General of ISI is appointed by the Prime Minister of Pakistan on the recommendation of the Chief of the Army Staff — an appointment process that has been the subject of repeated friction between successive civilian and military leaderships.2

History & Origins

The ISI was established in 1948, in the year following the partition of British India and the founding of Pakistan. Its founding Director General was Major General R. Cawthome, an Australian-born British Army officer serving in the Pakistani Army during the transition period. The Directorate was created on the recommendation of senior Pakistani military officials, including Field Marshal Ayub Khan, in response to perceived inadequacies in coordination between the existing army, navy, and air force intelligence directorates during the 1947–1948 war over Kashmir.3

The Directorate's modern shape was decisively defined by three periods. The 1971 Bangladesh Liberation War, in which Pakistani forces were defeated by India and Bangladeshi forces, produced sustained institutional reflection on intelligence performance. The 1979–1989 Soviet–Afghan War, during which the ISI managed the Pakistani-side support to the Afghan mujahideen — including the receipt and distribution of approximately US$3 billion in covert assistance from the United States Central Intelligence Agency and parallel funding from Saudi Arabia and other Gulf states — produced the most consequential expansion of ISI authority in its history. The post-2001 period of the United States–led campaign in Afghanistan and the parallel Pakistani security crisis with the Tehrik-i-Taliban Pakistan (TTP) substantially reshaped the Directorate's mandate.4

The ISI's relationship with successive Afghan governments — including its documented role as principal foreign sponsor of the Taliban government during the 1996–2001 period and its contested role during the 2001–2021 US-led intervention — has been the most-discussed element of the Directorate's record in international intelligence literature. The post-2021 Taliban return to power in Kabul produced sustained academic and policy debate over the long-term continuity of the relationship.5

Mandate & Jurisdiction

The Directorate's authorities derive from Pakistani Government rules of business and from successive cabinet directives; the ISI does not have a public founding statute on the model of comparable Western services. Its principal functions are:

  • foreign intelligence collection, with a particular focus on India, Afghanistan, and the broader region;
  • counter-intelligence, including the detection of foreign intelligence operations within Pakistan;
  • intelligence support to the Pakistani Armed Forces and to combat operations;
  • signals-intelligence collection;
  • internal political surveillance and intelligence reporting on Pakistani political, civil-society, and media activity;
  • liaison with foreign intelligence services.6

The ISI operates both inside and outside Pakistan. Its institutional position — formally an inter-services agency reporting through the Joint Staff to the Prime Minister, but in practice substantially answerable to the Chief of the Army Staff — has produced recurring institutional tension with the civilian Intelligence Bureau under the Ministry of Interior, which has nominal lead authority on domestic political intelligence. The 2008 attempt by the Government of Pakistan, under Prime Minister Yousaf Raza Gillani, to place the ISI under the Ministry of Interior was reversed within twenty-four hours after objection from the military leadership — a public-record episode that has been widely cited as illustrative of the institutional position.7

Notable Operations

Confirmed Mujahideen support during the Soviet–Afghan War (1979–1989). The ISI's Afghanistan Bureau, under successive Director Generals from Akhtar Abdur Rahman through Hamid Gul, managed the Pakistani-side distribution of arms, training, and finance to the seven principal mujahideen factions fighting Soviet forces in Afghanistan. The arrangement — funded principally by the US CIA's Operation Cyclone (approximately US$3 billion across the period) and matching Saudi contributions — produced the most extensive covert operation by any state-level intelligence service in the late Cold War. The ISI's role was confirmed in successive declassified US documents and in Pakistani memoir literature.8

Alleged Support to Kashmir-focused armed groups (1989–present). The pattern of ISI support to armed groups operating in Indian-administered Jammu and Kashmir — including Hizbul Mujahideen, Jaish-e-Mohammed, and Lashkar-e-Taiba — has been the subject of sustained Indian, US, and other Western government attribution. The Pakistani Government has consistently denied state-level support, characterising any Pakistani assistance as private. The 2008 Mumbai attacks, in which Pakistan-based Lashkar-e-Taiba operatives killed 166 people, were the subject of extensive subsequent investigation by Indian authorities; the Pakistani government acknowledged that the attacks had been planned in part on Pakistani territory and prosecuted some operatives but denied state-level involvement.9

Confirmed Relationship with the Afghan Taliban (1994–2001 and post-2021). The ISI's role as the principal foreign sponsor of the Taliban government during its 1996–2001 rule, including the provision of training, weapons, and operational support to Taliban forces, was acknowledged in successive declassified US State Department cables and is the subject of substantial academic literature. The post-2001 ISI relationship with Taliban factions operating from Pakistani territory has been the subject of sustained US and NATO concern; the Abbottabad raid that killed Osama bin Laden on 2 May 2011 produced subsequent intense Western scrutiny of the ISI's knowledge of bin Laden's presence in Pakistan.10

Confirmed Counter-terrorism operations against the Tehrik-i-Taliban Pakistan (post-2007). The Directorate's substantial role in the Pakistani Government's counter-insurgency campaigns against the TTP and associated jihadist organisations operating against the Pakistani state. The 2014 Peshawar Army Public School attack, which killed 149 people including 132 children, produced a sustained shift in the public Pakistani security posture and the National Action Plan; ISI work has been a substantial element of the post-2014 counter-terrorism record.11

Controversies & Abuses

Alleged Abbottabad and the bin Laden question. The 2 May 2011 US Navy SEAL raid on Abbottabad, Pakistan, that killed Osama bin Laden — without prior notification to the Pakistani Government — produced sustained US and international questions about ISI knowledge of bin Laden's presence in a compound near Pakistan's principal military academy for nearly six years. Pakistani Government and ISI statements have denied institutional knowledge; subsequent US, Pakistani, and academic accounts have offered varying interpretations. The Pakistan-government Abbottabad Commission, chaired by Justice Javed Iqbal, produced a 2013 report — leaked in 2013 — that characterised the institutional posture as "complete inadequacy" but did not establish active knowledge. The full record remains contested.12

Alleged Mumbai 2008 attacks. The November 2008 Mumbai attacks by Lashkar-e-Taiba operatives have been the subject of substantial public-record disclosure of ISI institutional contact with LeT. The 2010 testimony in US courts of David Coleman Headley — a US-Pakistani LeT operative who pleaded guilty to involvement in the planning of the attacks — included assertions of Headley's contact with named ISI officers. The Pakistani Government has prosecuted some LeT operatives but has denied state-level involvement.13

Alleged Disappearances and treatment of journalists. Successive Pakistani and international human-rights organisations have documented patterns of enforced disappearance, surveillance, and intimidation of Pakistani journalists, civil-society activists, and political figures, with substantial attribution to elements of the security services including the ISI. The 2018 case of journalist Cyril Almeida and the recurring 2010s-2020s reports on Pakistani journalist intimidation have been the subject of sustained Committee to Protect Journalists, Reporters Without Borders, and Pakistan-domestic press attention. The Pakistani Government has variously denied or characterised individual cases as the work of unauthorised personnel.14

Confirmed Domestic political role. Successive Pakistani Supreme Court judgments — including the 2012 Asghar Khan judgment, in which the Court found that ISI officers had distributed funds to politicians during the 1990 election to influence its outcome — have established public-record findings of ISI involvement in Pakistani electoral and political processes. The judgment ordered that proceedings be brought against named officials; implementation has been incomplete.15

Notable Figures

  • Major General R. Cawthome — First Director General, 1948–1950s.
  • Lieutenant-General Akhtar Abdur Rahman — Director General, 1979–1987. Architect of the Afghan campaign.
  • Lieutenant-General Hamid Gul — Director General, 1987–1989. Successor in Afghan campaign; subsequently politically active in retirement.
  • Lieutenant-General Mahmood Ahmed — Director General, 1999–2001. In post during the 9/11 attacks; in Washington at the time of the attacks.
  • Lieutenant-General Ahmad Shuja Pasha — Director General, 2008–2012. Mumbai attacks period and Abbottabad raid.
  • Lieutenant-General Faiz Hameed — Director General, 2019–2021. Subsequently arrested by Pakistani authorities in August 2024 on corruption-related charges.16
  • Lieutenant-General Asim Munir — Director General, October 2018–June 2019. Subsequently Chief of the Army Staff from November 2022.

Oversight & Accountability

Formal oversight of the ISI is exercised by the Prime Minister of Pakistan as the responsible authority and, since 2013, by the Parliamentary Committee on National Security; in practice, the Directorate is principally accountable to the Chief of the Army Staff. The 2008 episode in which the Government of Pakistan attempted to place the ISI under the Ministry of Interior — and the rapid reversal — illustrated the institutional position.

The Pakistani Supreme Court has produced the most regular external public-record judicial scrutiny of ISI activity, particularly through judgments on enforced disappearances and on the Asghar Khan electoral-funding case. Implementation of court orders has been variable.17

Sources & Further Reading

  1. Hein G. Kiessling, Faith, Unity, Discipline: The ISI of Pakistan (Hurst, 2016); Stephen P. Cohen, The Idea of Pakistan (Brookings, 2004).
  2. Kiessling, op. cit.; Stephen Tankel, With Us and Against Us: How America's Partners Help and Hinder the War on Terror (Columbia UP, 2018).
  3. Kiessling, Faith, Unity, Discipline; Mohammad Yousaf and Mark Adkin, The Bear Trap: Afghanistan's Untold Story (Casemate, 1992 / 2001).
  4. Steve Coll, Ghost Wars: The Secret History of the CIA, Afghanistan, and Bin Laden, from the Soviet Invasion to September 10, 2001 (Penguin, 2004).
  5. Steve Coll, Directorate S: The C.I.A. and America's Secret Wars in Afghanistan and Pakistan, 2001–2016 (Penguin, 2018).
  6. Kiessling, Faith, Unity, Discipline; ISI public statements as compiled in the Pakistani press.
  7. "Pakistan reverses ISI plan," Reuters, 27 July 2008.
  8. Coll, Ghost Wars; Yousaf and Adkin, The Bear Trap.
  9. India Ministry of External Affairs, Mumbai Terrorist Attack fact-sheet and successor publications; United States v. David Coleman Headley, plea agreement and testimony, N.D. Ill., March 2010.
  10. Coll, Directorate S; Bob Woodward, Obama's Wars (Simon & Schuster, 2010).
  11. Government of Pakistan, National Action Plan, December 2014; Stephen Tankel, Storming the World Stage: The Story of Lashkar-e-Taiba (Columbia UP, 2011).
  12. Abbottabad Commission Report, 2013, leaked text published by Al Jazeera; Seymour Hersh, "The Killing of Osama Bin Laden," London Review of Books, 21 May 2015 (with subsequent contested reception).
  13. United States v. David Coleman Headley, op. cit.; Sebastian Rotella, "The American Behind India's 9/11—And How U.S. Botched Chances to Stop Him," ProPublica, 22 January 2013.
  14. Committee to Protect Journalists, Pakistan country reports, ongoing; Human Rights Commission of Pakistan, State of Human Rights, annual editions.
  15. Supreme Court of Pakistan, Air Marshal (Retd) Muhammad Asghar Khan v. General (Retd) Mirza Aslam Beg, Chief of Army Staff and Others, Constitution Petition No. 19 of 1996, judgment of 19 October 2012.
  16. Pakistan Inter-Services Public Relations and Field General Court Martial proceedings, August 2024.
  17. Kiessling, op. cit.; Cohen, The Idea of Pakistan; successive Supreme Court of Pakistan jurisprudence on ISI matters.