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ICANN Hires Top Security Expert

Mark Jardina Joins ICANN as Vice President of Security Operations

Mark Jardina, an expert in global security and health and safety, has joined the Internet Corporation for Assigned Names and Numbers (ICANN) as Vice President of Security Operations.

"Safety and security of the ICANN stakeholders, Board and the organization are our top priority," said CEO Göran Marby. "Mark brings over 15 years of global security experience gained within the public, private, NGO and diplomatic sectors. We are very pleased to have this in-house expertise."

Building on existing plans developed in partnership with Control Risks and International SOS, Jardina will be responsible for physical security operations. Within his purview are travel advisories (for ICANN meetings, Board meetings and other business-related travel), onsite security at ICANN Public Meetings and events, and security for ICANN offices around the world.

Jardina has an extensive background in global security gained in the international development community, global media development and private sector corporate security, as well as the U.S. Department of State and the U.S. Marine Corps. He has international experience in South America, Europe, Africa and the Middle East. Jardina is fluent in English, Italian and Spanish, and is conversational in Turkish. He resides in Washington, D.C.


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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""icann.org"" is not an IDN."