The pin verification screen shows the date your records were last accessed via web for students. Every class, lab, discussion, etc. has its own unique call number. Before you register, you'll need to know the call numbers for the classes you want to register for. One way to find them is to look in the printed schedule of classes. You can also look them up online using the available course sections link.
Information is encrypted before it is transmitted over the internet using ssl technology.
Data is encrypted before it is passed between the web server and the main frame computer. A registration hold prevents you from registering, adding, and dropping. A transcript hold prevents you from getting an official transcript. Only the department that entered a hold can clear it. I'm a parent.