Backdoor: Difference between revisions
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A backdoor malware is a software that, when executed installs a backdoor into the system that executed it.<ref name=":0" /> This is often referred to as a ''Trojan''. These often use an unpatched exploit to gain access to the system. | A backdoor malware is a software that, when executed installs a backdoor into the system that executed it.<ref name=":0" /> This is often referred to as a ''Trojan''. These often use an unpatched exploit to gain access to the system. | ||
''' | '''Proprietary backdoors''' | ||
A propriatary backdoor is a built-in backdoor; A backdoor that was intentionally placed there.<ref name=":0" /> 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. | A propriatary backdoor is a built-in backdoor; A backdoor that was intentionally placed there.<ref name=":0" /> 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. | ||
Revision as of 16:11, 25 February 2026
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
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.
Proprietary 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
Backdoors can be used to inject spyware in order to collect information on users.[1]
Examples
References
- ↑ 1.0 1.1 1.2 Malwarebytes. "Backdoor computing attakcs". Archived from the original on 29 Dec 2025.