Backdoor - Revision history

SinexTitan: link to Wikipedia

2026-02-26T18:17:50Z

link to Wikipedia

← Older revision		Revision as of 18:17, 26 February 2026
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	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.		A {{Wplink\|backdoor_(computing)\|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==		==How it works==

Dosjdhdjdjdhdjdjdj: Relevant info for “examples”

2026-02-26T03:45:04Z

Relevant info for “examples”

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	{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}		{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}
	===Signal’s Refusal to Implement Australian Government Backdoor===		===Signal’s Refusal to Implement Australian Government Backdoor===
	[[wikipedia:Signal_(software)\|Signal]], an encrypted messenger, has threatened to leave Australia to due the Australian Government’s mandate to have access over the contents of Signal’s messages.<ref> https://ia.acs.org.au/article/2025/signal-threatens-to-leave-australia-over-govt-s-backdoor-push.html</ref><ref> https://www.vice.com/en/article/signal-app-australia-encryption-backdoor-bill/</ref>		[[wikipedia:Signal_(software)\|Signal]], an encrypted messenger, has threatened to leave Australia to due the Australian Government’s mandate to have access over the contents of Signal’s messages.<ref> https://ia.acs.org.au/article/2025/signal-threatens-to-leave-australia-over-govt-s-backdoor-push.html</ref><ref> https://www.vice.com/en/article/signal-app-australia-encryption-backdoor-bill/</ref> While this is not an example of a backdoor, this is an example of how governments can demand that platforms implement malicious backdoors.
	===XZ Utils Backdoor===		===XZ Utils Backdoor===
	The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>		The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>

Dosjdhdjdjdhdjdjdj: Linked signal

2026-02-26T03:42:53Z

Linked signal

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	{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}		{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}
	===Signal’s Refusal to Implement Australian Government Backdoor===		===Signal’s Refusal to Implement Australian Government Backdoor===
	[[Signal]], an encrypted messenger, has threatened to leave Australia to due the Australian Government’s mandate to have access over the contents of Signal’s messages.<ref> https://ia.acs.org.au/article/2025/signal-threatens-to-leave-australia-over-govt-s-backdoor-push.html</ref><ref> https://www.vice.com/en/article/signal-app-australia-encryption-backdoor-bill/</ref>		[[wikipedia:Signal_(software)\|Signal]], an encrypted messenger, has threatened to leave Australia to due the Australian Government’s mandate to have access over the contents of Signal’s messages.<ref> https://ia.acs.org.au/article/2025/signal-threatens-to-leave-australia-over-govt-s-backdoor-push.html</ref><ref> https://www.vice.com/en/article/signal-app-australia-encryption-backdoor-bill/</ref>
	===XZ Utils Backdoor===		===XZ Utils Backdoor===
	The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>		The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>

Dosjdhdjdjdhdjdjdj: /* Examples */

2026-02-26T03:42:17Z

Examples

← Older revision		Revision as of 03:42, 26 February 2026
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	===SecuRam Backdoor===		===SecuRam Backdoor===
	{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}		{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}
			===Signal’s Refusal to Implement Australian Government Backdoor===
			[[Signal]], an encrypted messenger, has threatened to leave Australia to due the Australian Government’s mandate to have access over the contents of Signal’s messages.<ref> https://ia.acs.org.au/article/2025/signal-threatens-to-leave-australia-over-govt-s-backdoor-push.html</ref><ref> https://www.vice.com/en/article/signal-app-australia-encryption-backdoor-bill/</ref>
	===XZ Utils Backdoor===		===XZ Utils Backdoor===
	The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>		The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>

Dosjdhdjdjdhdjdjdj: /* Why it is a problem */

2026-02-26T03:38:02Z

Why it is a problem

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	==Why it is a problem==		==Why it is a problem==
	Backdoors can be used to inject [[spyware]] in order to collect information on users.<ref name=":0">{{Cite web \|last=Malwarebytes \|title=Backdoor computing attakcs \|url=https://www.malwarebytes.com/backdoor \|url-status=live \|archive-url=http://web.archive.org/web/20251229225937/https://www.malwarebytes.com/backdoor \|archive-date=29 Dec 2025}}</ref>		Backdoors can be used to inject [[spyware]] in order to collect information on users.
			<ref name=":0">{{Cite web \|last=Malwarebytes \|title=Backdoor computing attakcs \|url=https://www.malwarebytes.com/backdoor \|url-status=live \|archive-url=http://web.archive.org/web/20251229225937/https://www.malwarebytes.com/backdoor \|archive-date=29 Dec 2025}}</ref> Backdoors are dangerous as they can be both officially implanted by project maintainers for various reasons or implanted by unofficial code contributors or distributors.

	==Examples==		==Examples==

Dosjdhdjdjdhdjdjdj: /* SecuRam Backdoor */

2026-02-26T03:34:39Z

SecuRam Backdoor

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	===Apple Backdoor UK Lawsuit===		===Apple Backdoor UK Lawsuit===
	===SecuRam Backdoor===		===SecuRam Backdoor===
	[[SecuRam installs backdoor on ProLogic series safe locks]]		{{Main\|SecuRam installs backdoor on ProLogic series safe locks}}

	===XZ Utils Backdoor===		===XZ Utils Backdoor===

Dosjdhdjdjdhdjdjdj: /* Apple Backdoor UK Lawsuit */

2026-02-26T03:32:37Z

Apple Backdoor UK Lawsuit

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	==Examples==		==Examples==
	===Apple ~~backdoor~~ UK ~~lawsuit~~===		===Apple Backdoor UK Lawsuit===
	*[[SecuRam installs backdoor on ProLogic series safe locks]]		===SecuRam Backdoor===
			[[SecuRam installs backdoor on ProLogic series safe locks]]

	===XZ Utils Backdoor===		===XZ Utils Backdoor===
	The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>		The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>

Dosjdhdjdjdhdjdjdj: /* Examples */

2026-02-26T03:31:51Z

Examples

← Older revision		Revision as of 03:31, 26 February 2026
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	==Examples==		==Examples==
	*[[Apple backdoor UK lawsuit]]		===Apple backdoor UK lawsuit===
	*[[SecuRam installs backdoor on ProLogic series safe locks]]		*[[SecuRam installs backdoor on ProLogic series safe locks]]
	===XZ Utils Backdoor===		===XZ Utils Backdoor===

Dosjdhdjdjdhdjdjdj at 03:31, 26 February 2026

2026-02-26T03:31:35Z

← Older revision		Revision as of 03:31, 26 February 2026
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	*[[Apple backdoor UK lawsuit]]		*[[Apple backdoor UK lawsuit]]
	*[[SecuRam installs backdoor on ProLogic series safe locks]]		*[[SecuRam installs backdoor on ProLogic series safe locks]]
			===XZ Utils Backdoor===
			The [[wikipedia:XZ_Utils_backdoor\|XZ Utils backdoor]] was a code contribution to the XZ Utilities Linux system package that allowed remote code execution through a specific SSH key.<ref> https://gist.github.com/thesamesam/223949d5a074ebc3dce9ee78baad9e27</ref> This backdoor was significant as it went against the previously commonly held belief of open source software security through independent code auditing. The code contributor first had built trust with the maintainers by submitting legitimate code initially before implementing the backdoor in a subtle way through multiple layers to avoid suspicion. However this backdoor was discovered by Andres Freund.<ref> https://lwn.net/Articles/967180/</ref>

	==References==		==References==

206.167.230.5: Proprietary was written wrong.

2026-02-25T16:11:23Z

Proprietary was written wrong.

← Older revision		Revision as of 16:11, 25 February 2026
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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.

	'''~~Propriatary~~ backdoors'''		'''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.