Square's Implementation of Entrust nShield HSMs

This case study details Square, Inc.'s deployment of Entrust nShield hardware security modules (HSMs) to enhance its cybersecurity framework. Founded in 2009, Square aims to facilitate easier and more accessible commerce through innovative payment solutions. The company has adopted a unique security architecture designed to prevent data exfiltration, incorporating HSMs as a critical component. The case study outlines the business and technical challenges faced by Square, including the need for compliance with various regulatory standards such as the Payment Card Industry Data Security Standard (PCI DSS). It also discusses the rigorous evaluation process that led to the selection of the Entrust nShield Solo HSM, emphasizing its performance, reliability, and ability to scale. The results highlight the effectiveness of the HSM in maintaining data integrity and streamlining compliance processes, ultimately supporting Square's mission to provide secure payment solutions.