Just because your data is secure does not mean it is authentic. If you have a security event, do you know if you can still trust the data on your systems? Part of your corporate security should include a way to identify and authenticate your data. Digitial signature methods can provide identity and authenticity but they are generally unneccesary to deploy for internal use.
DAO has data fingerprinting and signing solutions that rely on the SHA2 and HMAC NIST approved standards which are more appropriate for these tasks.
For more information or discuss how these products maybe integrated into your environment, please contact us.