Free CompTIA CySA+ CS0-003 Practice Question

During routine monitoring of network traffic, you notice a very large spike in outbound traffic on port 25 from a device within your organization that has no history of sending emails. Despite this anomaly, email services appear to be functioning normally for all users. What is the MOST likely explanation for this behavior?

  • User sending bulk emails legitimately

  • Compromised system sending out spam

  • Regular email service misconfiguration

  • Scheduled backup over SMTP

This question's topic:
CompTIA CySA+ CS0-003 / 
Security Operations
Your Score:

Check or uncheck an objective to set which questions you will receive.