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    <marc:controlfield tag="007">cr cn|||||||||</marc:controlfield>
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      <marc:subfield code="a">IT security directive for reporting and evaluating communications security (COMSEC) incidents.</marc:subfield>
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      <marc:subfield code="a">[Gatineau, QC] : </marc:subfield>
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      <marc:subfield code="c">[2021]</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Directive en matière de sécurité des TI sur le signalement et l'évaluation des incidents COMSEC.</marc:subfield>
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      <marc:subfield code="a">The publication file in PDF format was removed on 24 March 2026 at the request of Communications Security Establishment.</marc:subfield>
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      <marc:subfield code="a">"ITSD-05A."</marc:subfield>
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      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Computer networks</marc:subfield>
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      <marc:subfield code="a">Information networks</marc:subfield>
      <marc:subfield code="x">Security measures</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Communications Security Establishment (Canada), </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Canadian Centre for Cyber Security, </marc:subfield>
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      <marc:subfield code="t">Directive en matière de sécurité des TI sur le signalement et l'évaluation des incidents COMSEC.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.904759</marc:subfield>
    </marc:datafield>
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