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Many students who study using our platform have reported that a large number of the practice questions here are very similar to those that appear in real exams. View Courses
Many students who study using our platform have reported that a large number of the practice questions here are very similar to those that appear in real exams. View Courses
A Chief Finance Officer receives an email from someone who is possibly impersonating the company’s Chief Executive Officer and requesting a financial operation. Which of the following should an analyst use to verify whether the email is an impersonation attempt?
The correct answer is D. DKIM (DomainKeys Identified Mail).
DKIM (DomainKeys Identified Mail) is a standard used to verify that the email was indeed sent from the domain it claims to come from and that the email has not been tampered with during transit. DKIM works by adding a cryptographic signature to the header of the email. This signature can be verified by the receiving email server to check the authenticity of the sender's domain.
In this case, the analyst should check the DKIM signature to verify whether the email actually came from the CEO's domain (or is it forged to look like it came from the CEO's domain). This helps to identify impersonation attempts, as fraudulent emails may lack a valid DKIM signature or have one that doesn’t match the expected domain.
Why the others are incorrect:
PKI (Public Key Infrastructure): PKI is a framework for managing digital keys and certificates for encrypting and authenticating communications. While PKI can be part of the email verification process, DKIM is the more direct method to verify the authenticity of the sender in this case, as it is specifically designed to verify the sender's domain.
MFA (Multi-Factor Authentication): MFA is a method used to secure user logins by requiring multiple forms of verification. While MFA is essential for securing accounts, it does not help directly in verifying the authenticity of an email message, especially in the case of impersonation.
SMTP (Simple Mail Transfer Protocol): SMTP is the protocol used to send email messages between servers. While SMTP is important for the email transmission process, it does not provide a mechanism for verifying whether the email is legitimate or an impersonation attempt.
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