Dont use the same passwords on more than one website or use a password manager. Back up your precious documents on all of your devices to protect your data. Watch out for booby-trapped ATMs when you withdraw money at ATMs in the hope of covertly reading both your card data and your PIN. Turn off Flash on your devices, turn off Flash or uninstall it altogether, and change your passwords before using new home video devices before using a new baby video.”]
Source: https://nakedsecurity.sophos.com/2016/12/21/our-12-tips-for-staying-safe-online-this-christmas/