A remote financial institution is implementing email encryption. It is required that all inbound emails use SMTP over TLS. What must be done to accomplish this?

Question

Options

• ADisable TLS certificates.
• BUtilize Cisco Registered Envelope Service.
• CLeverage Cisco Talos Threat Intelligence Group.
• DEnable Application Inspection and Control for SMTP.

• A
  2% (1)
• B
  90% (46)
• C
  2% (1)
• D
  6% (3)

Explanation

Cisco Registered Envelope Service (CRES) is a hosted email encryption service that ensures secure, encrypted email delivery between organizations. For a financial institution requiring that all inbound emails use SMTP over TLS, CRES provides the encryption infrastructure to enforce this requirement. When a sending party cannot support direct TLS, CRES provides a secure web-based fallback so the message is never transmitted in plaintext. Disabling TLS certificates (A) would reduce security. Cisco Talos (C) is a threat intelligence platform, not an encryption service. Application Inspection and Control for SMTP (D) inspects traffic content but does not enforce TLS encryption on inbound email sessions.

No community discussion yet for this question.