CSCU Email Communication Security 3

Question 1

What is DMARC and how does it improve email security?

Accepted Answer

A protocol that builds on SPF and DKIM to specify how receiving servers should handle failed authentication

Answer

A type of email encryption software

Answer

A spam filtering technique based on keywords

Answer

A method for compressing email attachments

Question 2

What is business email compromise (BEC)?

Accepted Answer

A targeted scam where attackers impersonate executives or business partners to trick employees into transferring money or sensitive data

Answer

When a company's email server runs out of storage space

Answer

When employees use personal email for work purposes

Answer

A technical failure in the email delivery system

Question 3

Why is it risky to use public Wi-Fi for checking email without a VPN?

Accepted Answer

Attackers on the same network can potentially intercept email credentials and content

Answer

Public Wi-Fi makes emails load slower

Answer

Public Wi-Fi networks block email protocols

Answer

Email applications do not work on public Wi-Fi

Question 4

What is email header analysis and why is it useful for security?

Accepted Answer

Examining the technical metadata of an email to trace its origin and verify authenticity

Answer

Reading the subject line of an email

Answer

Checking the font size and formatting of an email

Answer

Reviewing the email recipient list

Question 5

What is the security risk of auto-forwarding rules in email accounts?

Accepted Answer

Attackers can set up hidden forwarding rules to silently receive copies of all incoming emails

Answer

Auto-forwarding increases email storage usage

Answer

Auto-forwarding makes emails arrive slower

Answer

Forwarded emails lose their formatting

Question 6

What precaution should be taken when sending sensitive information via email?

Accepted Answer

Use end-to-end encryption or send sensitive data through a secure file-sharing platform instead

Answer

Mark the email as high priority

Answer

Add a confidentiality disclaimer in the email footer

Answer

Send the email to multiple recipients for redundancy