Sorry about your recent loss Stonehedge, you may have thought of this or it may not apply but I heard about a guy in Bali who got his wifi intercepted in a cafe while on his own laptop and when he updated the btc wallet it emptied totally.
http://www.coindesk.com/early-bitcoin-adopter-calls-multi-sig-solutions-750-btc-theft/
http://www.coindesk.com/early-bitcoin-adopter-calls-multi-sig-solutions-750-btc-theft/