Certisign Certificadora Digital S.A. is a Brazilian company based in

São Paulo São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC a ...

that provides

public key infrastructure A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. The purpose of a PKI is to facilit ...

(PKI) products to financial institutions, governments, and enterprises. Certisign also provides a variety of security and consulting services ranging from

digital certificate In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the validity of a Key authentication, public key. The certificate includes information about the key, i ...

s, authentication, and managed

Digital Identity A digital identity is information used by computer systems to represent an external agent – a person, organization, application, or device. Digital identities allow access to services provided with computers to be automated and make it possibl ...

History

In 1995, two Brazilian information technology professionals, Paulo Wollny and Eduardo Rosemberg, founded the company. In 1996, the company established itself as a

certificate authority In cryptography, a certificate authority or certification authority (CA) is an entity that stores, signs, and issues digital certificates. A digital certificate certifies the ownership of a public key by the named subject of the certificate. This ...

after it received an investment . In 2000 Certisign became the exclusive Brazilian affiliate of

VeriSign Verisign Inc. is an American company based in Reston, Virginia, United States that operates a diverse array of network infrastructure, including two of the Internet's thirteen root nameservers, the authoritative registry for the , , and gener ...

. In 2004, Certisign acquired KMS Software, an identity management provider. As at 2009 Certisign had about 1,500,000 certificates in operation, making it the largest CA in Brazil at that time.

Products and services

Certisign’s products and services are mostly in the field of public key infrastructure platforms. They issue digital certificates that are used for authentication of Web sites, as well as users on internal networks through their Identity Management System. Certisign’s IMS has the ability to integrate with Microsoft Active directory.

References

{{reflist Companies based in São Paulo