Protecting our privacy and staying secure in the physical world is second nature. We lock our doors to keep out unwanted guests. We shut our blinds to thwart nosy neighbors. And we tuck away our wallets to foil thieves. It’s habit. And it’s common sense.

Yet online — where we shop, flirt, gossip and type unseemly questions into search engines — we rarely apply the same vigilance. We recycle passwords, we run outdated software and we volunteer personal information for a free coupon.

If this same carelessness carried over to the physical world, our wallets might be a lot lighter. And our neighbors might know a lot more about us than we want.

Why is that? And what can we do to fix it?

Mozilla recently set out to learn more. We want to know how people feel about issues like privacy, encryption, tracking and security online. And we want to act on our learnings, so we can help build a healthier Internet.

Last month, some 30,000 Mozilla community members responded to our privacy survey. Here’s what we learned from those respondents — everyday Internet users from countries like France, Australia, Germany, Canada, the U.S. and the U.K.