Question 290
A hunt report claims tactic coverage merely because one hash was searched. What is the MOST appropriate analyst action based on the evidence?
Explanation
Correct Answer
Searching one indicator does not establish detection coverage for a broader tactic. Evaluate behavioral coverage versus IOC search.
Incorrect Answers
An IOC hit is evidence to investigate, not necessarily completed attack activity. It could help avoid equating isolated IOC with ransomware incident, but it would not evaluate behavioral coverage versus IOC search.
Infrastructure indicators alone are brittle against rapid endpoint rotation. It would maintain C2 detection across infrastructure changes, but it would not evaluate behavioral coverage versus IOC search.
Behavioral techniques survive simple payload recompilation. It could help pivot from changing hashes to stable TTP, but it would not evaluate behavioral coverage versus IOC search.






CompTIA CySA+ (CS0-003) (CS0-003) Practice Tests