Unable to isolate accounts with same last three or four digits

Having a problem with Hudson valley credit Union. As of January 21st, stopped updating. When resetting accounts found only last four digits being sent from the credit union, 0000 for savings, and I have four savings accounts so I can no longer separate and allocate to the right account.
This appears to be a change as of January either through quicken or our credit union where they're sending only the last four digits instead of the last eight digits which we used to get.
I'd sure like to know why this was done, security? And if there's any work around or fix planned.
Credit Union tells me to contact quicken, quicken and tells me there's nothing that can be done. Really?
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