7. The computer-implemented method of claim 1 , wherein the act of re-routing the sent email within the local organization comprises: re-routing the sent email to an internal server within the organization where the sent email is stored as part of a quarantine procedure, and further comprising: upon the sent email being re-routed within the local organization, sending an alert message to the sender of the email notifying the sender of the quarantine status of the sent email.
1. A computer-implemented method of preventing transmission of personal information outside of a local organization, the method comprising: generating, by one or more processors, a plurality of redacted file templates, each of the plurality of redacted file templates matching a format of a respective known file and not containing personal information, by removing the personal information contained in the respective known file; generating, by one or more processors, a detection rule specifying one or more parameters that indicate which portions of sent email messages that are addressed to parties outside of the local organization when compared to one or more of the plurality of redacted file templates exceed a minimum document exposure threshold; detecting, by one or more processors, whether a sent email addressed to a party outside of the local organization contains personal information in accordance with the one or more parameters specified by the detection rule; and when the sent email contains personal information, re-routing, by one or more processors, the sent email within the local organization to prevent the sent email from being routed outside of the organization as addressed.