pirates.

Just in case you didn't think they still existed, here's an online article on pirates from National Geographic. The Malacca Strait isn't that close to where we will be, but it isn't that far away either...
http://magma.nationalgeographic.com/ngm/2007-10/malacca-
strait-pirates/pirates-text.html

p.s. I haven't read it all yet (it's kind of long). If there is anything scary in it, don't tell me until I get back! :)