How to avoid being scammed in a job hunt

In applying for various jobs online, I've been asked to give out some personal information and never gave it a second thought.

Employers have asked for, and I've provided, my Social Security number, telephone number, and happily shared my resume with anyone who wanted to see it.

I'm starting to rethink some things after talking this week with a representative at TrustedID, a company that provides identity theft protection with proactive methods such as checking black market sites for stolen IDs of its customers.