DigiCert is a certificate authority and digital trust provider specializing in TLS/SSL certificates, Public Key Infrastructure (PKI), IoT security, and digital signing solutions. The company operates a platform called DigiCert ONE, which serves as a centralized hub for managing digital trust across devices, users, servers, software, and content. DigiCert's core offerings include high-assurance TLS/SSL certificates for securing web communications, PKI solutions for enterprise identity and authentication, IoT security for connected devices, and document/code signing services. The DigiCert ONE platform is designed to support organizations ranging from large enterprises to small and medium-sized businesses, enabling them to manage certificates and digital trust at scale. The company also addresses quantum computing readiness, offering resources and solutions to help organizations prepare their cryptographic infrastructure for post-quantum threats. DigiCert operates globally and functions as a trusted root certificate authority, meaning its certificates are recognized by major browsers, operating systems, and devices worldwide. DigiCert serves a broad range of industries where digital authentication, encryption, and integrity verification are critical, including aviation, financial services, healthcare, and technology. Its customer base includes enterprises requiring large-scale certificate lifecycle management as well as smaller organizations needing straightforward SSL/TLS procurement. The company is headquartered in the United States and maintains a global operational footprint.