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Block Encrypted Attachments in Google Workspace

How to protect against encrypted attachments from untrusted senders in Gmail.

Written by Kavi Harshawat

Overview

Encrypted attachments can be used to bypass malware scanning, making them a common vehicle for delivering malicious content. Enabling this setting ensures Gmail blocks encrypted attachments from senders your organization doesn't trust.

Prerequisites

  • Super Admin access to the Google Admin console

Instructions

  1. Sign in to the Google Admin console

  2. Navigate to Apps > Google Workspace > Settings for Gmail > Safety

  3. Under Attachments, enable Protect against encrypted attachments from untrusted senders

  4. Click Save

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