1. A method for managing mainframe events, comprising: receiving at least one mainframe event at a mainframe event server module communicatively coupled with a mainframe, wherein the received mainframe events comprise mainframe events detected from at least one system management facility (SMF) log file associated with the mainframe and filtered according to at least one predetermined filtering criterion; converting the received at least one mainframe event to an open format; selecting a destination Security Information and Event Management (SIEM) application for the received at least one mainframe event based on a set of rules; identifying a format associated with the selected destination SIEM application; and transmitting the at least one mainframe event in the identified format from the mainframe event server module to the selected destination SIEM application.