On August 11, 2006, in response to the 34-day summer war between Israel and Hizb’allah, the United Nations Security Council passed resolution 1701, which called for a more robust international military presence along the United Nations-drawn Blue Line dividing Israel and southern Lebanon. But the strengthened United Nations Interim Force in Lebanon (UNIFIL) is likely to face a range of security threats that could undermine its peacekeeping duties and endanger its personnel. Among the more serious threats, underscored by intelligence reports over the past few years that indicate a growing al-Qaeda presence in Lebanon, is a catastrophic terrorist attack against UNIFIL by local salafist jihadist entities.