The idea (in an deserted industrial location, thieves working for a security company trying to force their way into an armored truck with a good guy inside) reminds me of a 1986 french Canadian thriller called "Pouvoir intime" (see reference below) :
http://www.imdb.com/title/tt0091785/
This Quebec-made movie was co-written and directed by Emmy Award winner & nominee Yves Simoneau - Bury my heart at Wounded Knee (2007).
Maybe the makers of "Armored" never heard of this movie, but I just thought it would be fair to mention that this idea has been explored before.
http://www.imdb.com/title/tt0091785/
This Quebec-made movie was co-written and directed by Emmy Award winner & nominee Yves Simoneau - Bury my heart at Wounded Knee (2007).
Maybe the makers of "Armored" never heard of this movie, but I just thought it would be fair to mention that this idea has been explored before.