1. Overview 1.1 The Problem RCDevs’ PSD2-READY solution has all the tools you need to stay compliant. Online banking and most business processes require controls and approvals. It could be for a large financial transaction, a simple work expense reimbursement or procurement approval. In banking, these have been traditionally managed using One-Time Passwords (OTP) or PIN codes and in business applications with simple username+password authentication. These mechanisms are now insufficient to meet today’s regulatory requirements, security and usability expectations.