对未授权信息访问的预防的英文

prevention of unauthorized access to information

• 对:    answer; reply
• 未:    did not; have not
• 授权:    empower; authorize ...
• 信息:    information; messa ...
• 访问:    visit; call on; in ...
• 的:    4次方是 The fourth po ...
• 预防:    prevent; take prec ...