Started in 2003, sisa is a payment security specialists having a presence in 40+ countries providing payment security assurance services, training and products to over 2,000 customers across the globe. sisa is a qsa-c for the pci ssc since 2007 and over the years we have built our expertise in payments security space. we are an authorized assessor for various payments standard and are listed as a pci qsa, pci asv, pa-qsa, p2pe-qsa, pci pfi, 3ds assessor, and visa approved pci pin security assessor. sisa is a pioneer in synergistic security framework, a concept that results in the reduction of compliance cost and improvement in security posture. with global delivery centres in the us, central europe, middle east and asia, sisa has three broad offerings, namely assurance services, training, and products. sisa is a pioneer in synergistic security, a concept that results in the reduction of compliance cost and improvement in security posture combining consulting, training and products in our endeavour to create a secure payments infrastructure for our customers from various domains including banks, ites, insurance, e-commerce, payment service providers, airlines, telecommunications and retail industries.