From the UCC homepage, click on the "UCClife" tab.
Login to UCClife with your user information.
Click on the "Student" tab.
Click on the link in the Academic Services block, (it says "Click Here for:")
On the next page click the link "This link will take you to UCC's Self Service area.
Click the "Personal Information" link.
Click the "Change your PIN" link.
Enter your old PIN, and enter your new PIN twice, then click the "Change PIN" button.