A backdoor (also known as a trap door or wormhole) in a computer system is a method of bypassing normal authentication, securing remote access to a computer, obtaining access to plaintext while attempting to remain undetected. This backdoor may take the form of an installed program (e.g. Back Orifice) or could be a modification to an existing program or hardware device.

A backdoor in a login system might take the form of a hard coded user and password combination which gives access to the system. It should be stated, however, that the motivation for such holes in the security of a system is not always sinister; some operating systems, for example, come out of the box with privileged accounts intended for use by field service technicians or the vendor’s maintenance programmers.

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There are currently 814 articles listed on backdoors.

Name Threat Level Detection Count Date
PHP.ShellBot.N March 15, 2010
PipeMon May 22, 2020
Plead Backdoor May 14, 2019
Plurox June 19, 2019
Poison Frog December 18, 2019
Poison Ivy 99/10 0 August 30, 2011
PortReuse October 15, 2019
PowerTrick January 16, 2020
PP10.exe July 22, 2009
PWS-Duqu 1010/10 10 October 19, 2011 88/10 0 March 28, 2011
PWSteal.VB.HE 88/10 7 January 26, 2012
PyFlash March 13, 2020
QueenOfClubs October 16, 2020
QueenOfHearts October 16, 2020
Rado November 2, 2008
RATVERMIN April 16, 2019
RDAT Backdoor Trojan July 24, 2020
Regin November 27, 2014
RGDoor October 22, 2020
RoyalCLI May 28, 2020
RoyalDNS July 19, 2019
Sagerunex March 30, 2020
ServHelper April 16, 2019
ShadowPad 66/10 313 August 17, 2017

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