Investigations into the Madrid and London bombings highlight two worrying trends for European security services -- the emergence of autonomous, homegrown radical cells and their skilled exploitation of the Internet.

A Spanish judge investigating the train bombs that killed 191 people in Madrid in March 2004 reported today that the attacks were carried out by a local group of Islamic militants who were inspired - but not directed - by al-Qaeda, taking their cue from an Islamist Web site.

At Computerworld.

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