The compromise of the master key for TSA locks is a great example to give people, because everyone is familiar with locks. It demonstrates that all it takes is one person with access to the back door to screw up a little, and then everyone is less secure.<p><a href="https:&#x2F;&#x2F;theintercept.com&#x2F;2015&#x2F;09&#x2F;17&#x2F;tsa-doesnt-really-care-luggage-locks-hacked&#x2F;" rel="nofollow">https:&#x2F;&#x2F;theintercept.com&#x2F;2015&#x2F;09&#x2F;17&#x2F;tsa-doesnt-really-care-l...</a>