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Прохорова, О. В. Информационная безопасность и защита информации [Электронный ресурс] / О. В. Прохорова. — 3-е изд., стер. — Санкт-Петербург: Лань, 2021 — 124 с. — Книга из коллекции Лань - Информатика. — <URL:https://e.lanbook.com/book/169817>. — <URL:https://e.lanbook.com/img/cover/book/169817.jpg>.
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