What is PCI DSS Qualified Security Assessors

QSA is a certification established by PCI Co. Individuals desiring this certification must first and foremost work for a QSAC or for a company in the process of applying to become a QSAC.Then, they must attend official training administered by PCI Co, and pass the test.They must also undergo annual requalification training to maintain their status. An individual may not be a QSA unless he or she is presently employed by a QSAC.