Graham Cluley, senior technology consultant at Sophos, explained that users
of the social networking site are reacting to a mystery application that may or
may not be spying on them.
Facebook users are passing around a message, warning each other about the
application, called the ‘Unnamed app’, and unwittingly creating an opportunity
"Users are told in the warning that they can find the ‘Unnamed app’ by going
to ‘Settings’/’Application Settings’ and then choosing ‘Add to Profile’ from the
drop-down box," said Cluley in a blog post.