SISA

SISA is a cybersecurity company focused on the payment ecosystem, providing compliance, forensics, and security services to banks, payment processors, fintechs, and enterprises. Founded in 2006, the company was among the first globally certified as a PCI QSA and has since expanded into forensic investigation, security testing, and managed detection and response services. The company's offerings include SISA RADAR, a data discovery and protection platform; ProACT, a managed detection and response (MDR) solution incorporating threat intelligence, SOAR, and network detection and response capabilities; StackSQ, a software supply chain security offering; and SISA One, a unified platform integrating compliance, security, and privacy functions for the payment industry. SISA also operates a PCI-recognized laboratory performing security evaluations of payment acceptance devices and is involved in standards development as a member of the PCI SSC Global Executive Assessor Roundtable (GEAR Committee). SISA works with government bodies, central banks, and national payment switches to secure payment transactions and provides consulting, assessment, and forensic investigation services alongside its technology products. The company operates internationally with regional headquarters in Dallas (Texas), Bengaluru (India), and Leicester (UK), and also runs a training arm (SISA Institute) offering cybersecurity education programs.