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300-720 · Question #159

A trusted partner of an organization recently experienced a new campaign that was leveraging JavaScript attachments to trick users into executing malware. As a result, they created a local policy to…

The correct answer is D. Create a new encryption profile and deselect the 'Use-Script' envelope settings option. To deliver encrypted communications to a partner who denies JavaScript attachments, the administrator should create an encryption profile that disables the 'Use-Script' envelope setting for that partner.

Cisco ESA Encryption and Message Tracking

Question

A trusted partner of an organization recently experienced a new campaign that was leveraging JavaScript attachments to trick users into executing malware. As a result, they created a local policy to deny messages with JavaScript attachments. Which action should the administrator of the organization take to ensure encrypted communications are delivered to the intended partner recipient?

Options

  • AInsert the X-PostX-Use-Script' header with a value of false to the encrypted messages
  • BSelect JavaScript-free' option within the Cisco Secure Email Encryption Service Add-in
  • CCreate an outgoing content filter and add the Encrypt and Deliver Nov/ action with Use-Script
  • DCreate a new encryption profile and deselect the 'Use-Script' envelope settings option.

How the community answered

(21 responses)
  • A
    5% (1)
  • B
    10% (2)
  • C
    14% (3)
  • D
    71% (15)

Why each option

To deliver encrypted communications to a partner who denies JavaScript attachments, the administrator should create an encryption profile that disables the 'Use-Script' envelope setting for that partner.

AInsert the X-PostX-Use-Script' header with a value of false to the encrypted messages

While related, `X-PostX-Use-Script` is an internal header, and controlling this functionality is primarily done via the encryption profile settings, not direct header manipulation for policy compliance.

BSelect JavaScript-free' option within the Cisco Secure Email Encryption Service Add-in
CCreate an outgoing content filter and add the Encrypt and Deliver Nov/ action with Use-Script
DCreate a new encryption profile and deselect the 'Use-Script' envelope settings option.Correct

Creating a new encryption profile and deselecting the 'Use-Script' envelope settings option is the correct action to ensure encrypted messages are delivered. This setting controls whether the encrypted message uses a JavaScript-based viewer, and disabling it ensures the message envelope does not trigger the partner's policy against JavaScript attachments.

Concept tested: Cisco ESA secure email encryption profile configuration

Source: https://www.cisco.com/c/en/us/td/docs/security/esa/esa12-0/user_guide/b_ESA_Admin_Guide_12_0/b_ESA_Admin_Guide_12_0_chapter_01001.html

Topics

#Email Encryption#Encryption Profiles#Message Delivery#Cisco Secure Email Encryption Service

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