All Policy Analysis by ماثيو ليفيت

The group's legal challenge will likely succeed for now, but the EU can reinstate the ban by relying on the plethora of evidence from European terrorism cases involving Hamas.

An in-depth conversation on the challenges of battling jihadist ideology in the ISIS era.

The question remains open as to how effective the Iranian proxy can be fighting simultaneously against the Syrian rebels and the Israeli military.

By focusing on financial transactions and income from oil, kidnapping, and major donors, the Treasury Department could severely undercut the group's funding streams.

A detailed look at where the group's money comes from, how the Treasury Department and its international partners are working to cut it off, and what needs to be done next.

Given its recent track record of targeting Israelis, Hezbollah's decision to take public responsibility for a new border attack likely has more to do with burnishing its domestic "resistance" credentials than sending a deterrent signal to Israel.

Given the violent message the group continues to convey in Arabic to viewers young and old, it will be difficult to achieve full Palestinian reconciliation, a long-term ceasefire with Israel, or large-scale reconstruction of Gaza.

Regardless of what Washington calls the group, intelligence reports show that it represents a very real threat.

Military force and Treasury designations are great tools for curbing the group's oil smuggling and fundraising efforts, but most of its money comes from local criminal enterprises that are much more difficult to counter.

Targeting Khorasan's leader is important, but what makes the group so frightening is its presence in Syria, where al-Qaeda explosives experts can mingle with radicalized foreign fighters carrying Western passports.

A newly created agency aimed at curbing the flow of money to terrorists will not amount to anything unless Qatar actually implements and enforces the relevant laws.

A quick guide to the finances of the Islamic State of Iraq and al-Sham (ISIS), the world's best-funded terrorist group.

By siding with the Assad regime and taking up arms against Sunni rebels, Hezbollah has placed itself at the epicenter of a sectarian conflict that has nothing to do with its purported raison d'etre of fighting Israel.

Washington Institute research explains the complexities of the Islamic State in Iraq and al-Sham (ISIS).

In addition to hitting ISIS in Iraq and Syria, the United States should target the Assad regime's military infrastructure to ensure that Damascus cannot take advantage of the situation.