By Jeremy Wagstaff SINGAPORE (Reuters) – The next hacker playground: the open seas – and the oil tankers and container vessels that ship 90 percent of the goods moved around the planet. Somali pirates help choose their targets by viewing navigational data online, prompting ships to either turn off their navigational devices, or fake the data so it looks like theyre somewhere else; While data on the extent of the maritime industrys exposure to cyber crime is hard to come by, a study of the related energy sector by insurance brokers Willis this month found that the industry may be sitting on an uninsured time bomb. Globally, it estimated that cyber attacks against oil and gas infrastructure will cost energy companies close to $1.9 billion by 2018.