What type of malware allows an attacker to bypass authentication to gain access to a compromised system?1 pointLogic BombBootKitRootkitBackdoor

Step 1: Break Down the Problem

The question asks which type of malware allows an attacker to bypass authentication to gain access to a compromised system. We need to evaluate the options provided: Logic Bomb, BootKit, Rootkit, and Backdoor.

Step 2: Relevant Concepts

1. Logic Bomb: A piece of code that triggers a malicious action when specific conditions are met.
2. BootKit: A type of rootkit that infects the master boot record (MBR) to gain control over a system before the operating system loads.
3. Rootkit: A set of software tools used by an intruder to hide their presence on a system, often allowing continued access.
4. Backdoor: A method of bypassing normal authentication or encryption in a computer system, often used to provide remote access.

Step 3: Analysis and Detail

• A Logic Bomb does not specifically focus on bypassing authentication; it acts based on conditions.
• A BootKit can gain control of a system but does not necessarily provide a method to bypass authentication.
• A Rootkit can hide malicious activities but is not primarily designed for bypassing authentication.
• A Backdoor explicitly enables attackers to access systems without going through the standard authentication processes.

Step 4: Verify and Summarize

After evaluating the options, it’s clear that the malware type enabling attackers to bypass authentication is the Backdoor, as it inherently allows unauthorized access.

Final Answer

Backdoor allows an attacker to bypass authentication to gain access to a compromised system.