<aside> <img src="/icons/log-in_gray.svg" alt="/icons/log-in_gray.svg" width="40px" /> A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device (e.g. a home router), or its embodiment (e.g. part of a cryptosystem, algorithm, chipset, or even a "homunculus computer"—a tiny computer-within-a-computer such as that found in Intel's AMT technology).

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Backdoors are most often put into systems by designers and programmers. **Remote Access Trojan (RAT)** acts just like a backdoor in our modern networks

Easter Egg

• a hidden feature or novelty found within a program that is typically inserted by the software developers as an inside joke
• This code often has significant vulnerabilities

Logic Bombs

A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met.

For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.