Slack distinguishes between 'Customer Data' (content within enterprise workspaces, controlled by the business customer) and other personal data (collected by Slack directly), with different privacy rules applying to each.
This analysis describes what Slack's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
The distinction establishes different processing frameworks for two data categories: Customer Data operates under processor-controller obligations typically required by data protection regulations, while Other Information operates under Slack's independent operational authority, creating separate compliance pathways for each data type.
Employees using Slack at work should be aware that their employer has significant control over workspace data, including the ability to access, export, and monitor messages and files within the workspace. Slack acts as a processor for that data, following the employer's instructions rather than the individual employee's preferences.
How other platforms handle this
Consensys reserves the right to change, suspend, or discontinue any aspect of the Services at any time, including hours of operation or availability of the Service or any feature, without notice and without liability.
We may update these terms and conditions at any time by giving you 30 days' notice. If you do not agree to the changes, you can close your account before the changes take effect. If you do not close your account, we will take this to mean that you accept the changes.
Twilio reserves the right to modify the terms of this Agreement at any time. Twilio will provide at least 30 days' notice of changes that materially alter your rights or obligations. Your continued use of the Services after any modification constitutes your acceptance of the updated Agreement.
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"Customer Data will be used by Slack in accordance with a Customer's instructions, including to provide the Services, any applicable terms in the Customer Agreement, a Customer's use of Services functionality, and as required by applicable law. Slack is a processor of Customer Data and the Customer is the controller. Slack uses Other Information to operate our Services, Websites, and business.— Excerpt from Slack's Slack Privacy Policy
The controller/processor distinction is central to GDPR compliance allocation between Slack and enterprise customers. Institutional buyers must confirm that their own privacy notices to employees adequately disclose Slack's data processing activities, and that DPAs with Slack correctly reflect the split of controller and processor responsibilities.
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The distinction establishes different processing frameworks for two data categories: Customer Data operates under processor-controller obligations typically required by data protection regulations, while Other Information operates under Slack's independent operational authority, creating separate compliance pathways for each data type.
Employees using Slack at work should be aware that their employer has significant control over workspace data, including the ability to access, export, and monitor messages and files within the workspace. Slack acts as a processor for that data, following the employer's instructions rather than the individual employee's preferences.
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