cyber shy
A person who is apprehensive about using the internet for everyday conveniences for fear of repercussions like cyber bullying, identity theft or just looking stoonpid.

Being cyber shy is usually unwarranted and is often motivated by the fear of the unknown.
a) Barry refuses to use online banking as he's a little cyber shy.

b) Rhonda only lurks on social networking sites and is afraid to post because she is cyber shy.

c) Therese won't use facebook because she is cyber shy and doesn't understand that she has control over who can search her name and see her profile.