/ ˈhækə(r); NAmE / noun
a person who secretly finds a way of looking at and/or changing information on sb else's computer system without permission
/ ˈhækə(r); NAmE / noun
a person who secretly finds a way of looking at and/or changing information on sb else's computer system without permission
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005