An Employee Reports That Someone Has Logged into Their System

question 4

Multiple Choice

An employee reports that someone has logged into their system and made unapproved changes, files are out of order, and several documents have been placed in the recycle bin. The security specialist reviewed the system logs, found nothing suspicious, and was not able to determine what occurred. The software is up to date; there are no alerts from antivirus and no failed login attempts. What is causing the lack of data visibility needed to detect the attack?

• A) The threat actor used a dictionary-based password attack to obtain credentials.
• B) The threat actor gained access to the system by known credentials.
• C) The threat actor used the teardrop technique to confuse and crash login services.
• D) The threat actor used an unknown vulnerability of the operating system that went undetected.

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Definitions:

Facial Expressions

Visible changes in the face that convey a person's emotional state, intentions, or social communications.

Genetic Mutations

Changes to the DNA sequence that can lead to alterations in gene function and can be inherited or occur during an individual's lifetime.

Prefrontal Cortex

A region of the brain involved in decision making, cognition, and moderating social behavior.

Phineas Gage

A railroad worker from the 19th century whose behavioral changes after surviving a severe brain injury contributed to the understanding of the role of the frontal lobes in personality.