VOA慢速英语:美国确认在网络攻击中被盗的旅行者照片

hacker – n. a person who secretly gets control of a computer system to get information or cause damage

network – n. system permitting people to communicate and share information through the internet using a computer or mobile phone

contractor– n. a person or company that signs a contract to provide materials or labor to perform a service or do a job

license plate – n. a metal sign with numbers on it that is attached to the back of front of a vehicle

cyberattack – n. an attempt to illegally enter a computer system with the purpose of causing damage or harm

automated – adj. made to operate by machines or computers, not humans

breach – n. an act of breaking a rule, law, custom or practice

biometrics – n. involving the application of statistical analysis to biological data

at the expense of – phrase. in a way that harms someone or something