Answer:
Backdoor
Step-by-step explanation:
Backdoors are a method of covertly allows a users that are either authorized or unauthorized to bypass the measures put in place for security and obtain access to a network, computer system, embedded system or software, at a high level known as root access level
The uses of backdoors includes computer remote access security (access to remotely obtain passwords or delete hard drive data), and having access to a cryptographic system stored plain texts