We remain vulnerable.There is no such thing as 100 percent security against terrorism.

We are familiar with terrorism. But indiscriminate, cross-border, religiously motivated terrorism is new.

Terrorists have failed in what is arguably al Qaida's most important objective - to trigger revolutions.

I have never come across a technology that doesn't change. This is inevitable. You have to adapt your systems as technology develops.

We still lack a global definition of terrorism.

There are no automatic links between poverty and terrorism. Among millions of poor people in the world, only a few turn to terrorism.

We remain vulnerable.There is no such thing as 100 percent security against terrorism.