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What are the Threats on Inbound Email?

                 HIGH VOLUME                                         LOW VOLUME                               ????
                 LOW $ VALUE                                         HIGH $ VALUE
                                                                                                     Tomorrow
                 Past                                                Today

                                                                                4. Targeted Attacks    5. Spam Again

                                                                                                      Snowshoe Techniques

Inbound Threats                 2. Phishing              3. Virus Outbreaks     Blended     Targeted
                 1. Spam                                                        Threats     Phishing
                                                         Botnets

                                  Worms           Image                         Advanced    Covert, Sponsored
                                                  Spam                          Persistent   Targeted Attacks
                  Code Red
                 Attachment-based                                                Threats

                                                                     Conficker

                                         Slammer

                                                         Custom URL

                                                         Network Evasions
                                                         Polymorphic Code
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