You may not be paid, or otherwise profit, from the use of any University provided computing resource or from any output produced using it. You may not promote any commercial activity using University resources. Never use any University provided computing resource to do something illegal, threatening, or deliberately destructive - not even as a joke. You are the only person who can use a computing resource that the University has provided specifically for your use. If you suspect that someone may have compromised your password, change it immediately.
Ignorance is no excuse.
Read the Computer Crimes Law. If you are as student with a part-time job at the University, you may be disciplined as an employee and as a student, resulting in both professional and educational consequences.