backdoor meaning and definition

BACKDOOR noun

Definition of backdoor (noun)

1. an undocumented way to get access to a computer system or the data it contains
   • synonyms: back door
2. an entrance at the rear of a building
   • synonyms: back door, back entrance
3. a secret or underhand means of access (to a place or a position)
   • "he got his job through the back door"
   • synonyms: back door