Telefonica Tech, a subsidiary of Telefónica, operates within the Business Services industry, focusing on custom software and IT services. Founded in 1924 and based in Spain, the company employs between 501 and 1,000 individuals. Telefonica Tech is engaged in addressing contemporary technological challenges, as evidenced by its published document, "Strategic Preparation for Post-Quantum Cryptography." This guide outlines the company's approach to preparing for the implications of quantum computing on cryptographic systems, highlighting its commitment to advancing cybersecurity measures in an evolving digital landscape. The document reflects Telefonica Tech's expertise in IT security and its proactive stance on emerging technologies. With a significant revenue of approximately USD 10 billion, the company positions itself as a key player in the technology sector, focusing on providing innovative solutions to meet the needs of businesses navigating the complexities of modern IT environments. As a part of Telefónica, Telefonica Tech leverages a long-standing legacy in telecommunications to enhance its service offerings in the realm of digital transformation and cybersecurity.