These negative events are actually quite normal. Actually they present us with all kinds of problems. Every entrepreneur's task is to solve problems. And now we have more problems to solve.
Positive events == opportunities
Negative events == opportunities (for those who are smart)
You can look through some of my comments here. I have explained how I solve the security problem.
Yes, I'm using Twitter Bootstrap. It's very easy to get started for a non-designer like me.