Fix grammar: For example, even a cursory study of most law firms reveals that they have at least one computer upon which are stored sensitive files, and most attorney have their own " lap tops " and/or personal computer housing vital files and legal information.
For example, even a cursory study of most law firms reveals that each has at least one computer that stores their sensitive files and that most attorneys have their own laptops and/or personal computers housing vital files and legal information.