I am using the Rails cookie store that was introduced in Ruby on Rails 2 to store my session data on finder.overcycle.com. Rails will throw an exception if the cookie data is tampered with (Rails can check if the data has been altered), and as I use the Exception Notifier plugin I got my first ‘Cookie Tampered With’ email today:
A CGI::Session::CookieStore::TamperedWithCookie occurred in account#signup:
And the cuplrit? The Alexa crawler apparently. No Alexa crawler! Bad bot!