Is anyone restricting access to SSN and DOB to an integrator user?

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I just heard from Taleo that it is not possible to restrict access to SSN and DOB to an integrator user.  How are you hiding this data from integrator users such as third party vendors?  We are currently trying to integrate Taleo with JobSynch and would like to restrict access to SSN and DOB.  Please let me know if you have found a workaround.  Thank you.