DigiCert is a certificate authority providing TLS/SSL, PKI, IoT and code-signing security, with the DigiCert ONE platform unifying certificate lifecycle and DNS management.
DigiCert operates as a leading certificate authority and a provider of what it calls intelligent trust: security for people, data and devices built on public key infrastructure. The company's products span high-assurance TLS/SSL certificates, PKI deployments, IoT security, digital signing for software and content, and AI-powered security tooling. Its flagship offering, DigiCert ONE, unifies PKI, DNS and certificate lifecycle management on a single platform, covering infrastructure, software, devices, messages and, increasingly, AI content and agents.
The scale of its footprint is considerable. DigiCert reports serving more than 100,000 organisations, including 90% of the Fortune 500, and describes its presence as global. It operates across digital security, PKI and certificate authority services, IoT, software signing and DNS and infrastructure security.
Technical work at the company runs deep in PKI, DNS, certificate lifecycle management, TLS/SSL and code signing, with stated focus areas in AI-powered security and quantum-safe cryptography. The firm frames its mission around helping organisations engage online with confidence, with an emphasis on security, privacy and authenticity, and on readiness for a quantum-safe future.
