Cyber Law would be the best option for you. As per the current studies, there are so many requirements for cyber lawyers in every company and bcoz cyber crime is incresing, this is going to be the best as carees option.

I have done cyber law course in Delhi and i use to get so many calls for help or suggestion. although i am not professional but if you go for this, you can charge them accordingly or you can be get appointed as a full time for any IT or web based company