Ok, here is the answer that I just gave someone. It is the answer that I usually give to everyone that ask this question and so far, a few have taken me up on the suggestion. SO I hope it works for you.
Well, the first thing you are going to need is experience. You will not be able to walk into an environment with a degree, no certifications, and expect to be hired. You should look into getting at least, the minimum in certs, A+, Security+, and either Server+ or an operating system cert like Windows 7 or Server 2008 R2. This way, you will have some type of technology background.
Now, you may want to get a job as a system administrator for a couple of years and get your hands dirty per say and then from there move into the security field.
Or, you might try the NSA. They are looking for candidates for mentorship in the Information Assurance, if you have a clean background, you should be able to qualify. The mentorship goes for three years, they teach you what they want they way they want it taught, after that, you get your first posting. But since you do not mention a degree, then you will need to concentrate on the certifications, anything that deals in security. Most community colleges have an AAS in Information Assurance, if you can get that, then it might be a bit easier for you to get your foot in the door.
Good luck in your future, I hope that this helps.