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ICANN Acronyms and Terms

ICANN has hundreds of acronyms and terms, which can be confusing. We created this multilingual tool to help explain what these terms mean and facilitate your work within the ICANN community. Search for terms by name or acronym using the search bar, or search by letter. All acronyms and terms are available in Arabic, Chinese, French, Russian, and Spanish.

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T

  • Transport Layer SecurityTLS

    A cryptographic protocol that enables applications to communicate over the Internet in a way that helps prevent eavesdropping, message tampering, and forgery.

    TLS is the replacement for the Secure Sockets Layer (SSL) protocol, which has been deprecated by the Internet Engineering Task Force.