Our export utility is hosted on the Salesforce platform, which undergoes verification by Force.com. As of now, we have not applied for specific compliance regulations such as FEDRAMP or HIPAA, as they were not deemed necessary for our Salesforce-based app.
PS: View Mass File Download, Salesforce file download app on Salesforce AppExchange: https://appexchange.salesforce.com/appxListingDetail?listingId=a0N3A00000EcsAOUAZ