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Block Known and Zero-Day Viruses

      Anti-Virus Processing









                                                                                               Outbreak Filters

                                                                      Block                                                 Block






                                                                    Forward
                                                Advanced
                             Pattern   Emulation
                                Multiple detection methods:
                             matching  technology  heuristic                             Zero-Hour Virus
                                                techniques
                                                                                         and Malware Detection
                                                                                         Real time security updates that
                                                                                         prevent new malware
                             .DOC    .EXE    .LNK    .PDF           Quarantine                                           Quarantine
                                                                   Determine what actions   Also receive AV Signature updates   Determine whether
                                  Updates every 12 hours
                                                                   to take on viral messages  regularly                    anomalies are
                                                                                                                           zero-day threats

             Scan attachments for                       Forward clean emails to                            Defend against
                  known viruses                        additional security checks                        zero-day malware


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