A back door in a login program could for instance give the designer the ability to login to a system even though he did not have an account on that system.
Isicabha emuva ohlelweni login wayengase Ngokwesibonelo ukunikeza designer ikhono ngemvume ukuze uhlelo ngisho nakuba ayengaqondi njengoba ngingelona ilungu lengosi ngalolo uhlelo.