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.

---

Definitions:

Pure Monopolist

A market situation where a single company or entity exclusively offers a particular product or service, with no close substitutes.

Incremental Sales

Additional sales generated by a company beyond its current sales volume, often as a result of specific marketing actions or promotions.

Economic Profit

The financial gain that exceeds the total costs, including both explicit and implicit costs, involved in a business activity.

ATC

Average total cost, which is the total cost of production divided by the number of goods produced, indicating the average cost per unit.