CA

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CA

The two-character ISO 3166 country code for CANADA.

CA

1. ISO 3166-1 alpha-2 code for Canada. This is the code used in international transactions to and from Canadian bank accounts.

2. ISO 3166-2 geocode for Canada. This is used as an international standard for shipping to Canada. Each province and territory has its own code with the prefix "CA." For example, the code for the Territory of Nunavut is ISO 3166-2:CA-NU.
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As the largest commercial Certificate Authority trusted by enterprises globally for more than 20 years, and more than 100 million SSL certificates issued in over 200 countries, Sectigo has the proven performance and experience to meet the growing needs of securing today's digital landscape.
Comodo Certificate Authority has issued over 91m certificates and serves over 200,000 customers across 150 countries.
The certificate authority (CA) is maintaining the control messages.
DigiCert, a US-based Certificate Authority (CA) where he was Senior PKI
As a result, an attacker can create a fake certificate authority which can then be used to sign executables.
Certificate authority (CA) is a trusted-by-all party used for managing public-key user certificates (PKC).
[USPRwire, Fri Oct 18 2013] Comodo, a leading Certificate Authority (CA) and Internet security organization, today announced that its Online Certificate Status Protocol (OCSP) responders handled over 2 billion requests in one day.
A trusted Certificate Authority (CA) is typically deployed in the security infrastructure to validate the authenticity of the public keys.
For example, my browser trusts some Certificate Authority called "POSTArCA" from a country known as SI, and also trusts "China Internet Network Information Center EV Certificates Root".
A third-party company, like DigiCert or GeoTrust -- one that the browser recognises as a certificate authority -- issues the certificate and confirms the website's security credentials.
Engineers for the Google Chrome browser became aware of the problem on 24 December and were able to trace the fake credentials back through an intermediate certificate authority (CA) to Turkish company TurkTrust.
Gemnet CSP, KPN's certificate authority division, has also suspended access to their website.

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