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Analysis Group Selected to Conduct the SSAC Review

Second Security and Stability Advisory Committee (SSAC2) Review

LOS ANGELES – 22 February 2018 - The Internet Corporation for Assigned Names and Numbers (ICANN) has contracted Analysis Group to conduct an independent review of the Security and Stability Advisory Committee Review (SSAC).

Selection of the Independent Examiner

The selection of an independent examiner is performed in accordance with ICANN's procurement process. All submitted proposals were carefully evaluated against selection criteria developed in collaboration with the SSAC, including:

  • Technical knowledge and expertise.
  • Knowledge and understanding of ICANN.
  • Methodology.
  • Independence, including no conflict of interest.

SSAC Organizational Review

The purpose of this review, according to ICANN's Bylaws, Section 4.4,  is to determine whether the SSAC has a continuing purpose in the ICANN structure and, if so, whether any change in structure or operations is desirable to improve its effectiveness. This review will also determine if the SSAC is accountable to its constituencies, stakeholder groups, organizations, and other stakeholders.  Finally, the SSAC Review will assess the effectiveness of the improvements resulting from the previous SSAC Review conducted in 2009-2010.

The review is scheduled to commence immediately and it is anticipated to conclude in November 2018.


The Security and Stability Advisory Committee (SSAC) advises the ICANN community and Board on matters relating to the security and integrity of the Internet's naming and address allocation systems. This includes operational, administrative, and registration matters. SSAC engages in ongoing threat assessment and risk analysis of the Internet naming and address allocation services to assess where the principal threats to stability and security lie, and advises the ICANN community accordingly. For more information on SSAC, click here.


For latest updates and opportunities to participate, visit the SSAC Review Wiki Workspace Page

For a permanent file of essential milestones, outputs, and final deliverables, visit the SSAC Review Page on

For additional information about Analysis Group, visit their website.

The SSAC Organizational Review is mandated by ICANN Bylaws Section 4.4 "Periodic Review of ICANN Structure and Operations."


ICANN's mission is to help ensure a stable, secure and unified global Internet. To reach another person on the Internet, you need to type an address – a name or a number – into your computer or other device. That address must be unique so computers know where to find each other. ICANN helps coordinate and support these unique identifiers across the world. ICANN was formed in 1998 as a not-for-profit public-benefit corporation with a community of participants from all over the world.

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Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as"""" is not an IDN."