Can copiers be a potential security hazard?

Just something for you GCs and private law firm attorneys out there to think about.  Most digital copiers use hard drives. Ever wonder what might be on those hard drives when it comes time to trade in or sell your copiers?

A few states are starting to pay attention to the issue.  It would seem to me that regardless of what states or bar associations end up doing, a good practice would be to remove hard drives and either wipe them, or possibly even physically destroy them.