Facebook spent $5.6 million for Zuckerberg’s security in 2014 and $2.65 million in 2013. Last year’s expense exceeds the $1.53 million Oracle Corp. spent to protect Executive Chairman Larry Ellison in fiscal 2015 and Amazon.com Inc.’s $1.6 million for Jeff Bezos, according to data compiled by Bloomberg. The figure also outstrips other famous executives. Berkshire Hathaway Inc. paid $370,244 for personal and home security for billionaire Warren Buffett in 2015. Apple Inc. spent $209,151 on Tim Cook.