The EDPA.exe is spiking the CPU and does not release the memory.
The policy had too many exceptions entered.
A temporary workaround is to disable the policy that is causing the CPU spike.
Refer to the Symantec Data Loss Prevention Help Center for assistance configuring user group exceptions.
https://techdocs.broadcom.com/us/en/symantec-security-software/information-security/data-loss-prevention/15-8/about-data-loss-prevention-policies-v27576413-d327e9/adding-an-exception-to-a-policy-v23024324-d327e4006.html