A Security Consultant Is Analyzing Data from a Recent Compromise

question 621

Multiple Choice

A security consultant is analyzing data from a recent compromise. The following data points are documented: Access to data on share drives and certain networked hosts was lost after an employee logged in to an interactive session as a privileged user. The data was unreadable by any known commercial software. The issue spread through the enterprise via SMB only when certain users accessed data. Removal instructions were not available from any major antivirus vendor. Which of the following types of malware is this an example of?

• A) RAT
• B) Ransomware
• C) Backdoor
• D) Keylogger
• E) Worm

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Definitions:

PCI Bus

A hardware bus designed for connecting peripheral devices to a computer's processor, allowing for the expansion of computer functionalities.

Hyperthreading

A technology used by some CPUs that allows a single physical processor core to act as two separate logical cores, improving multitasking and performance.

Pipelining

A technique that allows the CPU to work on more than one instruction (or stage of processing) at the same time, thereby boosting CPU performance.

Parallel Processing

A large network of computers, with each computer working on a portion of the same problem simultaneously.