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ANSI X9.119-2-2025
Requirements for Protection of Sensitive Payment Card Data - Part 2 Using Tokenization Methods
This part of X9.119 defines the minimum-security requirements when employing a post-authorization tokenization system to protect sensitive payment card data. As in ANS X9.119-1 Requirements for Protection of Sensitive Payment Card Data - Part 1 Using Encryption Methods, the term “protection” refers to maintaining the secrecy and integrity of the data protected by tokenization from unauthorized disclosure and modification. This document also provides requirements and guidance about the Tokenization environment.
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Accredited Standards Committee, Inc. - Financial Industry Standards [ascx9]