On June 4th, 2014, Matthew Prince announced that CloudFlare has been certified as a Level 1 service provider under the Payment Card Industry (PCI) Data Security Standard (DSS) 2.0 after an independent third-party assessment by a Qualified Security Assessor (QSA). This achievement is significant for e-commerce sites and those processing credit card transactions using CloudFlare. Additionally, CloudFlare's Web Application Firewall (WAF) helps companies meet PCI requirement 6.6, protecting customer data during online purchases within the CloudFlare network. The company plans to expand its global data center network by adding four new locations in Madrid, Spain; Milan, Italy; Medellín, Colombia; and São Paulo, Brazil.