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  2. Let's Encrypt - Wikipedia

    en.wikipedia.org/wiki/Let's_Encrypt

    The root certificate was used to sign two intermediate certificates, [44] which are also cross-signed by the certificate authority IdenTrust. [7] [45] One of the intermediate certificates is used to sign issued certificates, while the other is kept offline as a backup in case of problems with the first intermediate certificate. [44]

  3. Google Digital Garage - Wikipedia

    en.wikipedia.org/wiki/Google_Digital_Garage

    Google Digital Garage is a nonprofit program designed to help people improve their digital skills. [1] It offers free training, courses and certifications [ 2 ] [ 3 ] via an online learning platform .

  4. DigiCert - Wikipedia

    en.wikipedia.org/wiki/DigiCert

    In 2019, Google security researcher Scott Helme found approximately a million dollars worth of extended verification certificates that needed to be revoked due to faulty data, a significant portion of which were DigiCert certificates. [46] [47]

  5. Certificate Transparency - Wikipedia

    en.wikipedia.org/wiki/Certificate_Transparency

    Certificates that support certificate transparency must include one or more signed certificate timestamps (SCTs), which is a promise from a log operator to include the certificate in their log within a maximum merge delay (MMD). [4] [3] At some point within the maximum merge delay, the log operator adds the certificate to their log.

  6. Self-signed certificate - Wikipedia

    en.wikipedia.org/wiki/Self-signed_certificate

    RFC 5280 defines self-signed certificates as "self-issued certificates where the digital signature may be verified by the public key bound into the certificate" [7] whereas a self-issued certificate is a certificate "in which the issuer and subject are the same entity". While in the strict sense the RFC makes this definition only for CA ...

  7. List of computer security certifications - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_security...

    Governmental (or quasi-governmental) licenses, certifications, and credentials Quality and acceptance vary worldwide for IT security credentials, from well-known and high-quality examples like a master's degree in the field from an accredited school, CISSP, and Microsoft certification, to a controversial list of many dozens of lesser-known ...

  8. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_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 public key. [ 1 ] [ 2 ] The certificate includes the public key and information about it, information about the identity of its owner (called the subject), and the digital signature of ...

  9. CA/Browser Forum - Wikipedia

    en.wikipedia.org/wiki/CA/Browser_Forum

    The Certification Authority Browser Forum, also known as the CA/Browser Forum, is a voluntary consortium of certification authorities, vendors of web browsers and secure email software, operating systems, and other PKI-enabled applications that promulgates industry guidelines governing the issuance and management of X.509 v.3 digital certificates that chain to a trust anchor embedded in such ...

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