Osborne, Rickie Essentials of cybersecurity - volume 1 / Rickie Osborne - New York : AcademiQ Infomedia, 2021. - xvi, 284 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 9781645340041 Subjects--Topical Terms: Public administrationCybersecurity Dewey Class. No.: 352.379 / OSB