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cashier-as-a-service
About this tag
Cashier-as-a-Service (CaaS) refers to third-party payment services like PayPal, Amazon Payments, and Google Checkout that merchants integrate into their websites. This tag covers security implications of such integrations, including vulnerabilities in merchant applications and CaaS providers that could allow unauthorized transactions or free shopping. Discussions focus on how web applications coordinate internal states with external payment services and the risks introduced by this complexity.
Web applications increasingly integrate third-party services. The integration introduces new security challenges due to the complexity for an application to coordinate its internal states with those of the component services and the web client across the Internet. In this paper, we study the...