Hotel and public wifi networks are notoriously dodgy and can expose traveling business executives to man-in-the middle attacks. Business conferences and other gatherings are a great resource for those looking to steal confidential information and monitor communications. Rather than using wifi, have your company provide you with a VPN (Virtual Private Network) connection back to a server in your home country. Mobile becomes a prime phishing attack vector, hackers will increasingly employ machine learning in attacks and cloud will increasingly be seen as fertile ground for compromise.
Source: https://threatpost.com/stay-away-from-wifi/91946/