Backdoors can be asymmetric.Logical formLearned from2 sentences. A backdoor may take a form of a program.Logical formLearned from2 sentences. A backdoor can be in a (computer system).Logical formLearned from2 sentences. A backdoor can be a method.Logical formLearned from2 sentences. A backdoor can be in software.Logical formLearned from2 sentences. (Modem pools) may create backdoors.Logical formLearned from2 sentences. Backdoors may include zombies.Logical formLearned from2 sentences. Hackers may look for backdoors.Logical formLearned from2 sentences. Backdoors can be dangerous.Logical formLearned from2 sentences. A backdoor can be on systems.Logical formLearned from2 sentences. A worm may install a backdoor.Logical formLearned from2 sentences. A backdoor may undergo a creation.Logical formLearned from2 sentences. Backdoors can be insecure.Logical formLearned from2 sentences. A backdoor may provide photographs.Logical formLearned from2 sentences. A computer can be free from backdoors.Logical formLearned from2 sentences.