This whitepaper discusses the various types of payment fraud that businesses face, particularly in the context of accounts payable. It outlines common fraud schemes such as paper check fraud, ACH fraud, compromised data, illegitimate vendors, and imposters. The document highlights the psychological impact of fraud on victims, noting that many individuals experience feelings of embarrassment and anxiety following incidents of fraud. Additionally, the whitepaper presents several tools and strategies that businesses can implement to combat these fraud tactics. These include custodial accounts to protect bank details, ACH validation to screen transactions, permission control to manage access to sensitive data, and positive pay services to verify check legitimacy. The paper emphasizes the importance of adapting to digital payment methods to enhance security and reduce the risk of fraud, ultimately aiming to equip businesses with the necessary knowledge and tools to safeguard their payment processes.