What you think you know (but don’t) about data privacy.

Myth: Data thieves only go after big, well-known companies; we are too small to be at risk.

Truth: Breaches happen every day at companies of all sizes, though most go unreported. In May 2008, thieves hacked into the wireless network of a Portsmouth, R.I. coffee shop and began stealing credit and debit card numbers from customers’ computers. When the theft was finally discovered four months later, thieves had run up more than $50,000 in unauthorized credit card charges from about 50 customer accounts.