Call or email the Network Security Incident Response Team (NSIRT) of University Information Systems (UIS). Call 496-4736 at any time. During business hours (Monday to Friday 8 a.m. to 6 p.m.), a staff member will take your call. After hours you can leave a voice mail to page the on-call engineer. A team member can assist you in further evaluating the situation and determining what follow-up actions to take.