Qualified Security Assessor (QSA) companies are independent security organizations that have been qualified by the PCI Security Standards Council to validate an entity’s adherence to PCI DSS. QSA Employees are individuals who are employed by a QSA Company and have satisfied and continue to satisfy all QSA Requirements.

3DS Assessors are qualified by PCI SSC to perform assessments using the PCI 3DS Core Security Standard (Security Requirements and Assessment Procedures for EMV® 3-D Secure Core Components: ACS, DS, and 3DS Server). 3DS Assessor Employees are individuals who are employed by a 3DS Assessor Company and have satisfied all 3DS Assessor Qualification Requirements applicable to employees of 3DS Assessor Companies who will conduct 3DS Assessments, as described in further detail in the Qualification Requirements For 3DS Assessors.