"I want you to imagine someone for me. Her name is Jessica and she is 17 years old...."
For years, "A Story About Jessica" (a computer security parable @SwiftOnSecurity wrote, published on their Tumblr in 2014) was pretty hard to find.
Per the CC BY license, I've now republished it so it's easier to discover and reference.
http://harihareswara.net/posts/2024/a-story-about-jessica-by-swiftonsecurity/
My comments in the post include pointers to relevant work by Mark Pilgrim, @sprblm , @luis_in_brief , @jacob , and @evacide .