DigiCert is a company that provides SSL, IoT, and PKI solutions. It offers transport layer security (TLS), SSL, multi-domain, wildcard SSL, post-quantum cryptography, and other certificates. The company also delivers DigiCert Trust Lifecycle Manager, a certificate lifecycle management and PKI services solution; DigiCert Document Trust Manager, a signing management tool; DigiCert Software Trust Manager, a code-signing workflow automation solution; etc.