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Exam CS0-002 topic 1 question 306 discussion

Actual exam question from CompTIA's CS0-002
Question #: 306
Topic #: 1
[All CS0-002 Questions]

A security analyst is researching ways to improve the security of a company's email system to mitigate emails that are impersonating company executives. Which of the following would be BEST for the analyst to configure to achieve this objective?

  • A. An AAAA record on the name server for SPF
  • B. DNSSEC keys to secure replication
  • C. Domain Keys Identified Mail
  • D. A sandbox to check incoming mail
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Suggested Answer: C 🗳️

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gnnggnnggnng
Highly Voted 2 years, 3 months ago
Selected Answer: C
Domain Keys Identified Mail (DKIM) is an email authentication method. It allows the recipient's email system to check that an email was actually sent by the domain it claims to be sent from and that it hasn't been modified in transit. When a DKIM-signed email is received, the receiving mail server can retrieve the public key published in the domain's DNS records, and use it to verify the signature on the email. By enabling DKIM on a company's email system, the security analyst can help mitigate the risk of email impersonation. This is because the recipient's email system can check that the email was sent from an authorized source and wasn't modified in transit, which makes it less likely that an attacker could successfully impersonate a company executive.
upvoted 6 times
kill_chain
1 year, 9 months ago
thanks for the elaboration
upvoted 2 times
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Dutch012
Most Recent 1 year, 10 months ago
Same as #81
upvoted 2 times
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2Fish
2 years, 1 month ago
Selected Answer: C
DKIM is the only BEST option here.
upvoted 1 times
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Cock
2 years, 2 months ago
Selected Answer: C
Every time you see something about mail, choose Domain Keys Identified Mail
upvoted 1 times
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