1. Assuming your security software is protecting you
2. Accessing an account through an e-mail link
3. Using a single password for all online accounts
4. Downloading free software
5. Thinking your Mac shields you from all risks
6. Clicking on a pop-up ad that says your PC is insecure
7. Shopping online the same way you do in stores
They have more details on each, and steps you can take to keep your identity secure. Link -via Consumerist
(image credit: David Flaherty)
[1] http://www.fsf.org/about/what-is-free-software