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Comments and suggestions concerning this book should be mailed to gmourani@videotron.ca © Copyright 1999-2000 Gerhard Mourani and Open Network Architecture ® 61 38. System has been compromised 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. – 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.