The Islamic State (Terrorist Organization)

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ISIS (Islamic State of Iraq and Syria), also known as ISIL (Islamic State of Iraq and the Levant), is a Sunni jihadist group with a particularly violent ideology that calls itself a caliphate and claims religious authority over all Muslims. It was inspired by al Qaida but later publicly expelled from it. RAND terrorism experts have analyzed the group's financing, management, and organization; its savvy use of social media for recruitment and fundraising; and the instability that spawned the group as a regional problem in the Middle East.

  • Iraqi soldiers fire a rocket toward Islamic State militants on the outskirts of the Makhmour south of Mosul, Iraq, March 25, 2016, photo by Azad Lashkari/Reuters

    Content

    How to Roll Back ISIL and Other Terrorist Threats

    Sep 30, 2016

    ISIL is the most active group among Salafi-jihadists, waging a wide campaign. Defeating the group will require moving it from a quasi-state to an insurgency to a suppressed movement that controls little or no territory or population.

  • U.S. soldiers execute a fire mission to support Iraqi security forces during the Mosul counteroffensive in northern Iraq, December 24, 2016, photo by 1st Lt. Daniel Johnson/U.S. Army

    Report

    Countering ISIL as a Transregional Threat

    Jan 31, 2017

    The U.S. counter-ISIL strategy must recognize the long-term nature of the global violent jihadi threat. U.S. diplomatic and military actions should focus on reducing the appeal of ISIL and disrupting the transregional network that supports it.

Explore The Islamic State (Terrorist Organization)

  • Tunisian soldiers participate in an exercise along the frontier with Libya in Sabkeht Alyun, Tunisia, February 6, 2016

    Commentary

    Use Force to Forge Peace in Libya

    Five years after the uprising against Qaddafi and the civil war that followed, Libya is now home to the second-largest and fastest-growing Islamic State group affiliate outside Iraq and Syria. The U.S. and its allies need to step in to help restore Libyan sovereignty.

    Feb 17, 2016

  • Congressional Briefing Podcast

    Multimedia

    Lessening the Risk of Refugee Radicalization

    In this February 2016 congressional briefing, senior political scientist Barbara H. Sude discusses historical examples of radicalization among refugee groups, factors that can increase the risk of radicalization, measures to reduce the risk, and considerations for policymakers and legislators.

    Feb 16, 2016

  • Libya Dawn fighters watch Islamic State militant positions near Sirte March 19, 2015

    Commentary

    The Three Challenges of Countering ISIS in Libya

    ISIS's expansion in Libya is a threat to the security of Libyans, to the region, and to Europe. U.S. and European cooperation to counter ISIS is essential and Libya is unlikely to ever be peaceful without outside military support.

    Feb 5, 2016

  • Events @ RAND Audio Podcast

    Multimedia

    The Future of Isis

    In an exclusive conversation with RANDNext, RAND terrorism expert Brian Michael Jenkins discusses the future of ISIS.

    Jan 28, 2016

  • U.S. President Barack Obama waves at the conclusion of his State of the Union address to a joint session of Congress in Washington, January 12, 2016

    Blog

    State of the Union 2016: Insights on Obama's Last Address

    RAND research, analysis, and expertise provide context for many of the issues discussed in President Barack Obama's final State of the Union address, including the threat of ISIS, global climate change, and bringing peace to Syria.

    Jan 13, 2016

  • 152-mm howitzer 2A65 Msta-B in Saint-Petersburg Artillery museum

    Commentary

    Artillery Returns to the Battlefield in the War Against ISIL

    Together with increased air attacks, the Syrians and their Russian advisors seek to revitalize combined arms forces, and artillery is critical to their vision of such forces.

    Jan 11, 2016

  • Testimony

    The Role of Oil in ISIL Finances: Addendum

    Document submitted on January 6, 2016 as an addendum to testimony presented before the Senate Energy and Natural Resources Committee on December 10, 2015.

    Jan 6, 2016

  • A Kurdish refugee woman from Syria walks with her children at a refugee camp in Suruc, Turkey, November 17, 2014

    Report

    Lessening the Risk of Refugee Radicalization: Lessons from the Past

    Radicalization among refugee populations, such as the millions currently fleeing Syria, is not inevitable. Rather, comprehensive policies that go beyond immediate life-saving needs can mitigate the risk. But such policies were rare in past crises and even today can be difficult to put in place and sustain.

    Dec 28, 2015

  • U.S. Secretary of State John Kerry and Foreign Minister of Russia Sergey Lavrov before a meeting of Foreign Ministers about Syria in New York, December 18, 2015

    Commentary

    A Realistic Peace Plan for Syria Needs to Begin with an Immediate Cease-Fire

    To reach peace in Syria, the International Syria Support Group should concentrate on securing an immediate cease-fire and arranging for its enforcement, followed by further negotiations on the shape of a reconstituted Syrian state.

    Dec 18, 2015

  • Barrels of fuel are displayed inside a damaged, non-functioning petrol station in Aleppo, Syria, January 13, 2015

    Testimony

    The Role of Oil in ISIL Finances

    Sales of oil and refined oil products are the most important single source of recurrent revenues for ISIL. Targeting ISIL's oil loading facilities and heavy trucks can weaken the group, but this alone will not lead to its demise.

    Dec 10, 2015

  • The logos of the U.S. Department of Homeland Security are seen on computer terminals

    Testimony

    Jihadist Conspirators in the United States

    A review of how terrorists arrived in the United States in the past can help the government prioritize its efforts and resources. But it may not be a reliable indicator of how terrorist organizations could attempt to bring violence to America in the future.

    Dec 10, 2015

  • Soldiers from 7th Special Forces Group Airborne are suspended by a CH-47 Chinook helicopter during a training event Eglin Air Force Base, February 5, 2013

    Commentary

    ISIS vs Special Ops

    However critical to the fight against ISIS, using special operations forces for raids represents only half of the needed military adjustment. The other half is the effort to build indigenous forces capable of taking and holding territory in Iraq and Syria.

    Dec 8, 2015

  • Marines scan the area for insurgent activity during a general support flight over Helmand province, Afghanistan

    Commentary

    To Defeat ISIS, Focus on Its Real Sources of Strength

    The threat ISIS poses today is graver than ever for two reasons: its war chest and its ability to attract foreign recruits are both at their peak. Redoubling international efforts to cut off ISIS from these two pillars of its war machine is necessary to sap the group's strength.

    Dec 4, 2015

  • A Syrian refugee carries his son through a rainstorm at the Greek-Macedonian border near the Greek village of Idomeni, November 27, 2015

    Commentary

    To Undermine ISIS, We Should Welcome Syrian Refugees

    Demonstrating American goodwill to Syrian refugees is the best way to help defeat ISIS and rehabilitate America's image in the chaotic Middle East.

    Dec 3, 2015

  • Migrants walk toward the Austrian border town of Spielfeld, in Sentilj, Slovenia, November 18, 2015

    Testimony

    The Syrian Refugee Crisis and U.S. National Security

    America has a long tradition of offering protection to refugees, and the threat from refugees has historically been relatively low. However, the government should continue to reassess its refugee program and ensure that it safeguards national security.

    Nov 19, 2015

  • A passerby pauses near a makeshift memorial with U.S. and French flags outside the French embassy in Washington, November 16, 2015

    Testimony

    What the Paris Attacks Mean for U.S. Strategy in Syria and Homeland Security

    Events in the Middle East and Europe have direct implications for U.S. homeland security. And the attacks in Paris have increased pressure to step up the fight in Syria and Iraq. But Americans should consider the threat in context, and adjustments to U.S. strategy in Syria should only be a matter of degrees.

    Nov 19, 2015

  • Multimedia

    The Paris Terror Attacks and Confronting ISIS

    In this Call with the Experts, RAND terrorism expert Brian Michael Jenkins offers insights on ISIS's latest strategy and capabilities, how the West can fight it, and what the tragedy in Paris could mean for the Syrian refugee crisis.

    Nov 18, 2015

  • A tank of the Syrian National Army in the outskirts of Damascus on September 21, 2013

    Testimony

    The Dynamics of the Conflicts in Syria and Iraq and the Threat Posed by Homegrown Terrorists and Returning Western Fighters

    The fighting in Iraq and Syria is likely to continue. How will the dynamics of these conflicts shape the region and events beyond? And what threat do Westerners who've joined jihadists on these battlefields and homegrown terrorists pose to the U.S. homeland?

    Nov 18, 2015

  • Islamic State fighters take part in a military parade along the streets of northern Raqqa province, Syria, June 30, 2014

    Commentary

    ISIS Will Become More Deadly Before It Dies

    The lesson with ISIS is straightforward. Western populations should be prepared for an upsurge in violence if ISIS continues to lose territory. There has already been a growth in attacks and plots across the West with operational or inspirational ties to ISIS.

    Nov 18, 2015

  • French Education Minister Najat Vallaud-Belkacem (L), French President Francois Hollande (C), French Prime Minister Manuel Valls (R), and students observe a moment of silence at the Sorbonne University, Paris, France, November 16, 2015

    Commentary

    Insights on the Paris Terror Attacks from RAND Experts

    RAND experts weigh in on what the wave of coordinated terror attacks across Paris means for France, the U.S.-led coalition against ISIS, the global refugee crisis, and more.

    Nov 17, 2015