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

Europe has a long and tragic history of mostly domestic terrorism.

If you exchange information internationally, you must strengthen data protection. Those are two sides of the same coin.

If information ends up in the wrong hands, the lives of people very often are immediately at risk.

Police forces collect information to be used in a public court to get people convicted. Security services gather information that does not necessarily lead to people being prosecuted and in many cases needs to remain confidential.

You can't get closer to the heart of national sovereignty than national security and intelligence services.

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