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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ntv</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический вестник информационных технологий, механики и оптики</journal-title><trans-title-group xml:lang="en"><trans-title>Scientific and Technical Journal of Information Technologies, Mechanics and Optics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-1494</issn><issn pub-type="epub">2500-0373</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2226-1494-2025-25-4-727-736</article-id><article-id custom-type="elpub" pub-id-type="custom">ntv-498</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КОМПЬЮТЕРНЫЕ СИСТЕМЫ И ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COMPUTER SCIENCE</subject></subj-group></article-categories><title-group><article-title>Применение современных методов оценивания рисков информационной безопасности объекта критической информационной инфраструктуры</article-title><trans-title-group xml:lang="en"><trans-title>Application of modern methods for information security risks evaluation of a critical information infrastructure facility</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0651-8591</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лившиц</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Livshitz</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Иосифович Лившиц, доктор технических наук, профессор практики</p><p>197101; Санкт-Петербург</p><p>sc 57191569306</p></bio><bio xml:lang="en"><p>Ilya I. Livshitz, D.Sc., Professor</p><p>197101; Saint Petersburg</p><p>sc 57191569306</p></bio><email xlink:type="simple">Livshitz.il@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет ИТМО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ITMO University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2025</year></pub-date><volume>25</volume><issue>4</issue><fpage>727</fpage><lpage>736</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лившиц И.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Лившиц И.И.</copyright-holder><copyright-holder xml:lang="en">Livshitz I.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://ntv.elpub.ru/jour/article/view/498">https://ntv.elpub.ru/jour/article/view/498</self-uri><abstract><p>   Рассмотрена практика оценивания рисков информационной безопасности объектов критической информационной инфраструктуры. Выполнено сравнение методов анализа дерева событий, дерева отказов и международного стандарта ISO/IEC 27005:2022, устанавливающего принципы управления рисками. Показаны пути дополнения существующих методических требований Российской Федерации в области безопасности объектов критической информационной инфраструктуры современными методами оценивания рисков информационной безопасности. Выполнено сопоставление современных методов оценивания рисков информационной безопасности на примере системы управления водоснабжением. Обосновано применение необходимого перечня мер защиты, обеспечивающих заданный уровень остаточных рисков информационной безопасности. Продемонстрирована возможность применения современных методов оценивания рисков информационной безопасности объектов критической инфраструктуры в дополнение к существующим методическим требованиям Российской Федерации.</p></abstract><trans-abstract xml:lang="en"><p>   The practice of assessing IT-security risks of Critical Information Infrastructure (CII) facilities is considered. The methods of Event Tree Analysis (ETA), Fault Tree Analysis (FTA), and the International Standard ISO/IEC 27005:2022, which establishes the principles of risk management, were compared. The ways of supplementing the existing methodological requirements of the Russian Federation in the field of IT-security of CII facilities with modern methods of assessing IT-security risks are shown. A comparison of modern methods for assessing IT-security risks is carried out using the example of a water supply management system. The application of the necessary list of protection measures providing a given level of residual IT-security risks is justified. The possibility of using modern methods for assessing the IT-security risks of CII facilities in addition to the existing methodological requirements of the Russian Federation is demonstrated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>критическая инфраструктура</kwd><kwd>объекты критической информационной инфраструктуры</kwd><kwd>информационная безопасность</kwd><kwd>стандарт</kwd><kwd>риск</kwd><kwd>оценивание рисков</kwd><kwd>меры защиты</kwd><kwd>остаточный риск</kwd></kwd-group><kwd-group xml:lang="en"><kwd>critical infrastructure</kwd><kwd>critical information infrastructure facilities</kwd><kwd>information security</kwd><kwd>standard</kwd><kwd>risk</kwd><kwd>risk assessment</kwd><kwd>protection measures</kwd><kwd>residual risk</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Варламова Д.В., Долженкова А.В., Корочкина С.В. 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