Deletes a message that violates a policy

Nightfall can delete the entire message that violates a configured policy. This remediation action is very useful for serious policy violations that risk data exposure and non-compliance.

Each time Nightfall detects a policy violation in any message in Slack channels that it is monitoring, the message can be deleted automatically if it is configured as an automated action. If you have selected both Notify and Delete as automated actions, Nightfall will notify the end-user as well as delete the violating message.

A shared Slack channel is a channel that is shared by two different Slack workspaces (basically shared Slack channels are used to collaborate with users outside of your organization). If an external user posts sensitive data on a shared Slack channel, Nightfall cannot delete this data since it is owned by a user who is not part of your Slack workspace.

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