back-door

英 美
  • adv.不正当地;adj
  • backed adj.有背的;有支持的动词back的过去式和过去分词形式.
  • sand n.沙;沙子;沙滩;黄灰色vt.撒沙;打磨;以沙掩盖
名词 back door:
  1. a secret or underhand means of access (to a place or a position)

  2. an undocumented way to get access to a computer system or the data it contains

  3. an entrance at the rear of a building