Some ministries are engaged in activities overseas that are moral and ethical by our standards but may not meet with full approval of the government of other countries.
If that is the case (and you know if that description applies to you!), you would be well advised to ponder the incredible technology capabilities available to governments.
I have a post at my other blog, Outrun Change, discussing a series of articles that have appeared in the Wall Street Journal. My post: Cool internet capabilities can be used for censorship and suppression of dissent.
Might be worth checking out that article.