How to Protect Your Apple Device Against a "Ransomware" Attack

By now you have probably seen news accounts of users of iPhones or iPads getting locked out of their devices with a ransom demand for release. I have read several online reports and I believe that the best advise I have found is that from Jonny Evans of Computerworld, which may be found at blogs.computerworld.com/cybercrime-and-hacking/23953/how-defend-against-apples-oleg-pliss-icloud-attack.