Terrorism and Homeland Security

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RAND is a world leader in research on terrorism, counterterrorism, counterinsurgency, disaster management, and homeland security—topics that affect a wide variety of policy areas and challenge individuals and nations worldwide.

  • A color-coded image showing the Normalized Difference Vegetation Index (NDVI) measured around Raqqah, Syria, including the city's border, image by the RAND Corporation

    Project

    When the Islamic State Comes to Town: Iraq and Syria from Space

    Sep 12, 2017

    Using satellite imagery and a novel analytic approach, RAND experts developed a fine-grained, data-driven assessment of economic life inside ISIL's caliphate.

  • Members of al Qaeda's Nusra Front move toward their positions near al-Zahra village, north of Aleppo city, November 25, 2014, photo by Hosam Katan/Reuters

    Commentary

    The Moderate Face of Al Qaeda

    Oct 24, 2017

    Al Qaeda in Syria cut ties with its parent organization to portray itself as a legitimate, capable, and independent force in the Syrian civil war. The group appears dedicated to helping Syrians prevail, and now that ISIS has lost its capital in Raqqa, al Qaeda may be the only group viewed as militarily capable of challenging the Assad regime.

Explore Terrorism and Homeland Security

  • 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

  • President Barack Obama speaks about counterterrorism and the U.S. fight against the Islamic State, December 6, 2015

    Commentary

    If Terrorism Is Homegrown, a Visa Overhaul Won't Keep Americans Safe

    Despite being the focus of renewed scrutiny, only three people involved in terrorist incidents have entered the United States via the visa waiver program in the past quarter-century.

    Dec 7, 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 Belgian police officer stands guard outside a school in central Brussels, November 25, 2015

    Commentary

    Brussels Locked-Down Heartbeat: A View from Within

    To understand Molenbeek, the Brussels district that can be linked to most of the terror attacks on European soil in the past 18 months, it's necessary to examine the broader political and cultural context in Belgium.

    Nov 27, 2015

  • Merged Israeli and Palestinian flags

    Report

    The Costs of the Israeli-Palestinian Conflict: Executive Summary: (Arabic translation)

    An Arabic translation of a study‘s executive summary estimating the net costs and benefits if the long-standing conflict between Israelis and Palestinians follows its current trajectory over the next ten years, relative to five other trajectories.

    Nov 23, 2015

  • Report

    The Costs of the Israeli-Palestinian Conflict: Executive Summary: (Hebrew translation)

    A Hebrew translation of an executive summary of a study estimating the net costs and benefits if the long-standing conflict between Israelis and Palestinians follows its current trajectory over the next ten years, relative to five other trajectories.

    Nov 23, 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

  • 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

  • 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

  • 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

  • Candles in the French national colours are placed near the Bataclan concert hall the morning after a series of deadly attacks in Paris, November 14, 2015

    Commentary

    Big Questions Facing France

    In Paris, the heavily armed terrorists reportedly struck at six locations, including restaurants, a football stadium, and a theater during a rock concert. It seems clear the killers must have had some confederates. That would mean some terrorists are still at large.

    Nov 14, 2015

  • Prisoner wearing handcuffs in a courtroom

    Commentary

    What's Next on the Convicted Terrorist's Timeline?

    As inmates near the end of their sentences for terrorism-related offenses, and with some individuals already freed, it's time to explore what considerations may be necessary.

    Nov 4, 2015

  • News Release

    Michael Wermuth Dies at 69; RAND Terrorism Expert Helped Establish U.S. Homeland Security Strategies

    Michael A. Wermuth, a RAND researcher and terrorism expert, died November 1. He was the executive director of a federal advisory panel on terrorism when it concluded — nearly two years before 9/11 — that a terrorist attack on U.S. soil was inevitable.

    Nov 4, 2015

  • News Release

    Family Is Greatest Factor That Causes Youth to Reject Violent Extremism

    Family influence is more important than peer groups in dampening a young person's propensity toward becoming a terrorist. Policies aimed at undermining radicalization should include teaching parents how to discuss detrimental messages on social media, as well as building programs to strengthen families' influence on youth and ties to communities.

    Sep 29, 2015

  • Palestinians watch Israeli heavy machinery demolishing vacant apartment blocs by order of Israel's high court, in the West Bank Jewish settlement of Beit El near Ramallah July 29, 2015

    Report

    Family Is Greatest Factor That Causes Youth to Reject Violent Extremism

    Family influence is more important than peer groups in dampening a young person's propensity toward becoming a terrorist. Policies aimed at undermining radicalization should include teaching parents how to discuss detrimental messages on social media, as well as building programs to strengthen families' influence on youth and ties to communities.

    Sep 29, 2015

  • Members of the Kurdish peshmerga forces detain a man suspected of having links to the Islamic State, on the outskirts of Kirkuk March 15, 2015

    Commentary

    Any Review of Syria and Iraq Strategy Needs Realistic Reappraisal

    Since the American-led coalition bombing campaign began a year ago, ISIS has suffered some military setbacks and lost territory, but it also has been able to capture several more key cities in Iraq and Syria, and, despite the bombing, continues to attract a large number of foreign fighters.

    Sep 28, 2015

  • News Release

    Coalition Against the Islamic State Must Degrade the Group's Finances and Leadership

    Even before 2012, much was known about how the Islamic State financed and organized itself, established territorial control, and responded to airpower. That knowledge offers new insights into the group's weaknesses and guidance for combating it.

    Sep 28, 2015

  • Fighters of al-Qaeda linked Islamic State of Iraq and the Levant carry their weapons during a parade at the Syrian town of Tel Abyad January 2, 2014

    Report

    Coalition Against the Islamic State Must Degrade the Group's Finances and Leadership

    Even before 2012, much was known about how the Islamic State financed and organized itself, established territorial control, and responded to airpower. That knowledge offers new insights into the group's weaknesses and guidance for combating it.

    Sep 28, 2015

  • A Department of Homeland Security officer

    Testimony

    Making DHS More Efficient: Industry Recommendations to Improve Homeland Security

    The challenges facing the Department of Homeland Security continue to evolve. Greater engagement with the private sector is essential to addressing them and executing DHS's mission.

    Sep 18, 2015