“Had San Bernardino shooter Syed Rizwan Farook used an Android phone, investigators would have had a better chance at accessing the data”, says Jack Nicas in his article in The Wall Street Journal. Indeed, the stats suggest that only 10 per cent of the world’s 1.4 billion Android phones are encrypted, compared with 95 per cent of Apple’s iPhones. Of those encrypted, a major number are using Nexus smartphones that have encryption enforced by default.
What is the reason behind this low encryption adoption rate among Android users? Let’s first have a look at how encryption is enforced by two major mobile OS manufacturers, then look at how it’s implemented by either company.