# Security and compliance ## Stripe ### **How secure is Stripe as a payment provider?** Stripe is governed by the Payment Services Act and regulations of the Monetary Authority of Singapore (MAS). It adheres to the highest level of compliance in the payment industry, including PCI DSS v3.2.1 certification. ### **What fraud detection measures are in place through Stripe's Radar?** Stripe's Radar is an advanced fraud protection engine that utilizes machine learning algorithms to detect and prevent fraudulent activities. It analyzes various signals such as user behavior, location, historical card data, and financial partner data to identify potential fraud. ### **What is 3D Secure and how does it protect against fraud?** 3D Secure is a fraud protection method provided by card networks. It adds an additional layer of security during online transactions by verifying the cardholder's identity. The need for 3D Secure is determined by the issuing bank of the customer's card. ### **Is PaySG compliant with the Payment Services Act and MAS regulations?** Yes, PaySG is compliant with the Payment Services Act and the regulations set by the Monetary Authority of Singapore (MAS). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://guide.pay.gov.sg/faq/security-and-compliance.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.