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  2. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    A root CA certificate may be the base to issue multiple intermediate CA certificates with varying validation requirements. In addition to commercial CAs, some non-profits issue publicly-trusted digital certificates without charge, for example Let's Encrypt.

  3. Root certificate - Wikipedia

    en.wikipedia.org/wiki/Root_certificate

    In cryptography and computer security, a root certificate is a public key certificate that identifies a root certificate authority (CA). [1] Root certificates are self-signed (and it is possible for a certificate to have multiple trust paths, say if the certificate was issued by a root that was cross-signed) and form the basis of an X.509 ...

  4. Chain of trust - Wikipedia

    en.wikipedia.org/wiki/Chain_of_trust

    The roles of root certificate, intermediate certificate and end-entity certificate as in the chain of trust. In computer security, a chain of trust is established by validating each component of hardware and software from the end entity up to the root certificate. It is intended to ensure that only trusted software and hardware can be used ...

  5. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    The digital certificate chain of trust starts with a self-signed certificate, called a root certificate, trust anchor, or trust root. A certificate authority self-signs a root certificate to be able to sign other certificates. An intermediate certificate has a similar purpose to the root certificate – its only use is to sign other certificates.

  6. 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 ...

  7. Use AOL Certified Mail to confirm legitimate AOL emails

    help.aol.com/articles/what-is-aol-certified-mail

    AOL may send you emails from time to time about products or features we think you'd be interested in. If you're ever concerned about the legitimacy of these emails, just check to see if there's a green "AOL Certified Mail" icon beside the sender name. When you open the email, you'll also see the Certified Mail banner above the message details.

  8. Qualified website authentication certificate - Wikipedia

    en.wikipedia.org/wiki/Qualified_website...

    The EV certificate was distinguished in the browser by the presence of a green address bar, green text, and presence of legal business name in URL depending on which browser was used. Research conducted by Google and UC Berkeley [ 2 ] identified that users didn't notably alter behavior based on the presence or absence of these indicators.

  9. Medical examiner identifies victims in tragic Wisconsin ...

    www.aol.com/news/medical-examiner-identifies...

    The Dane County Medical Examiner's Office on Wednesday identified the victims of the school shooting as Rubi Patricia Vergara, 14, and Erin West, 42.