Nope. Terrorist have won again. The aim of Islam terrorism is not to cause direct damage, but to install fear in all of us and reduce our freedom/democracy. Here's one of example that's relevant to people here on HN:

"In wake of Paris shootings, Prime Minister wants to ban encryptions that government can't read in extreme situations"

http://www.independent.co.uk/life-style/gadgets-and-tech/new...