Customized protection against fraud Reduce the risk associated with Automated Clearing House (ACH) fraud Filter transactions based on your business' individual needs Increase controls over unauthorized debits When you create ACH Filters for your business accounts, you can define which transactions are permitted to post. Any transaction that doesn't fit your definition will be returned to the originator. You have the flexibility to define the rules at any point, which provides you an added layer of security against fraudulent transactions and removes the worry that comes with managing unauthorized transactions.