Information Security in Mergers and Acquisition

[alfredhitchcock_007 () yahoo com]

Hi,
I have been tasked to develop a competency in "Information Security in Mergers and Acquisition". I do not know where to 
start. Since addressing security would start at pre-merger till the analysis of post merger. Here I would like to have 
everybody's opinion on how to we go about addressing Information Security in Mergers and Acquisition

Thanks,
Alfred