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Review the challenge brief, files, and requirements.
You're the IT Security lead. An employee forwards you this email they received:
From: [email protected]
Subject: Urgent: VPN Certificate Expiration
Your VPN certificate expires in 24 hours. To avoid losing access,
call our support line immediately: +1-888-555-0147
If you cannot call, reply to this email with your employee ID
and we will renew it remotely.
You check: the From address passes SPF/DKIM, and the phone number is NOT your company's help desk.
What is the MOST LIKELY attack being attempted?
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