How-To Geek


A backdoor is an element included in a computer or cryptographic system intended to allow the user to bypass normal authentication methods built into that system.

Backdoor exploits can take on many forms including hard coded access (an override command or login set included in the hardware right from the initial design), software access included by designers, and application-layer exploits like trojans or the controversial remote administration tool Back Orifice that give third parties access to operating systems.

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