If you believe that your system has been compromised, contact CERT Coordination Center or your representative in FIRST -Forum of Incident Response and Security Teams.
Internet Email: <cert@cert.org>
CERT Hotline:(+1) 412-268-7090
Facsimile: (+1) 412-268-6989
CERT/CC personnel answer 8:00 a.m. to 8:00 p.m. EST (GMT 5)/EDT (GMT 4)) on working days; they are on call for emergencies during other hours and on weekends and holidays.