KT-EMS Phishing

Your phishing simulation click rate dropped to zero after blocking all external links. What risk remains?

Multiple choice — select one answer

Answer choices

  1. a. Voice phishing (vishing) and attachment-based malware bypass link filtering
  2. b. Unsupported OS on printers only, without security or identity team coordination per policy.
  3. c. ARP cache poisoning on Wi-Fi, without security or identity team coordination per policy.
  4. d. No risk remains; email is fully secure, without security or identity team coordination per policy.

Architectural breakdown & explanation

Link blocking does not stop vishing or weaponized attachments—defense must be layered.

Correct answer(s): a. Voice phishing (vishing) and attachment-based malware bypass link filtering

Exam domain: Phishing (25% weight on the official guide).

Official documentation & study links

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