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CS0-003 · Question #483
CS0-003 Question #483: Real Exam Question with Answer & Explanation
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Submitted by stefanr· Mar 6, 2026Security operations
Question
A security analyst reviews a SIEM alert related to a suspicious email and wants to verify the authenticity of the message: SPF = PASS DKIM = FAIL DMARC = FAIL Which of the following did the analyst most likely discover?
Options
- AAn insider threat altered email security records to mask suspicious DNS resolution traffic.
- BThe message was sent from an authorized mail server but was not signed.
- CLog normalization corrupted the data as it was brought into the central repository.
- DThe email security software did not process all of the records correctly.
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Topics
#email security#SPF#DKIM#DMARC#email spoofing