I can only comment in terms of the defence side, and keeping closed, highly encrypted and the most advanced encrypted systems in the intelligence and the defence world.
Again, it's not necessarily the case that government or Defence are going to let anyone know when they get hacked and these systems are actually penetrated. However, this is an interactive process—not so much for Canada, but certainly for our allies besides the United States, so there's always the capability that we retaliate. This is nothing new. This is what we used to call “electronic and counter-electronic warfare”. This is something that's gone on. It's become more sophisticated and it's become quicker because of the nature of the technological piece and the changes that have occurred.
There's no 100% guarantee, but certainly ensuring that you know when you get hacked is the most important thing. The biggest danger is not the hacking, but the implanting of viruses, such as the one planted in the Iranian nuclear system years ago, and—