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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 .
On February 2, 2021, Coursera announced its B Corporation certification from B Lab [5] and its transformation into a Public Benefit Corporation. [ 6 ] As of 2023 [update] , more than 300 universities and companies [ 7 ] were offering courses through Coursera, and by 2024 [update] , the number of courses available had risen to approximately 7,000.
In addition to certification obtained by taking courses and/or passing exams (and in the case of CISSP and others noted below, demonstrating experience and/or being recommended or given a reference from an existing credential holder), award certificates also are given for winning government, university or industry-sponsored competitions ...
RAs, however, do not sign or issue certificates (i.e., an RA is delegated certain tasks on behalf of a CA)." [4] While Microsoft may have referred to a subordinate CA as an RA, [5] this is incorrect according to the X.509 PKI standards. RAs do not have the signing authority of a CA and only manage the vetting and provisioning of certificates.
In cryptography, X.509 is an International Telecommunication Union (ITU) standard defining the format of public key certificates. [1] X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, [2] the secure protocol for browsing the web.
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 ...
The HPKP is not valid without this backup key (a backup key is defined as a public key not present in the current certificate chain). [4] HPKP is standardized in RFC 7469. [1] It expands on static certificate pinning, which hardcodes public key hashes of well-known websites or services within web browsers and applications. [5]
DigiNotar was a Dutch certificate authority, established in 1998 and acquired in January 2011 by VASCO Data Security International, Inc. [1] [2] The company was hacked in June 2011 and it issued hundreds of fake certificates, some of which were used for man-in-the-middle attacks on Iranian Gmail users.
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