Backdoor
A backdoor is a method of covertly bypassing authentication, often in a digital system. A backdoor can be placed intentionally by a party to secretly access the system, or can be the result of a bug or exploit.
How it works
[edit | edit source]There are many types of backdoor.
Backdoor malware
A backdoor malware is a software that, when executed installs a backdoor into the system that executed it.[1] This is often referred to as a Trojan. These often use an unpatched exploit to gain access to the system.
Propriatary backdoors
A propriatary backdoor is a built-in backdoor; A backdoor that was intentionally placed there.[1] These backdoors can be used for good or bad purposes. Some may exist for testing purposes. However, if left in the final product, may be susceptible to exploitation. Other built-in backdoors are used by the company for nefarious purposes.
Why it is a problem
[edit | edit source]Backdoors can be used to inject spyware in order to collect information on users.[1]
Examples
[edit | edit source]References
[edit | edit source]- ↑ 1.0 1.1 1.2 Malwarebytes. "Backdoor computing attakcs".