PCI Question

[targaz () cox net]

I'm waiting for some clarification from the PCI SSC, so in the meantime I thought I'd send out the question to the 
group and get some addtional thoughts;   

There is a note in section 3.4 that states if you have a hashed and truncated version of the PAN in the same 
environment you must implement additional controls.

We have a hashed version of the PAN in our database and also the BIN in a separate column.  First question would be if 
the BIN qualifies as a truncated version.  (I think technically it would).  And second question;   what would 
constitute 'additional' controls?  

Thanks,
Michele

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