POLi’s software is regularly reviewed by independent security companies and is ISO 27001 certified. When interacting with your bank, POLi checks the bank website’s SSL certificate and thumbprints to make sure there are no security breaches and you are communicating directly with your bank. Furthermore, it will not capture usernames or passwords. Your confidential information is not disclosed to any third party, not even POLi. This payment method is no more vulnerable than your bank.