Your organization is legally responsible for everything that happens on its Slack account, including what individual employees or contractors do, even if the organization did not authorize it.
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
Organizations bear full contractual responsibility for user conduct within their Slack workspace, including unauthorized actions by employees, which has direct implications for compliance with acceptable use obligations and indemnification exposure.
Customer organizations carry unlimited contractual responsibility for all user actions in their Slack environment, including those of contractors and third parties; this places the burden of user governance, access control, and acceptable use enforcement entirely on the organization.
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This policy applies to you and anyone using the Services on your behalf, including your end users. You are responsible for ensuring that your use of the Services, and the use of the Services by others on your behalf, complies with this Policy.
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"Customer is responsible for all activities that occur under Customer's account, regardless of whether the activities are authorized by Customer or undertaken by Customer, its employees, or a third party (including contractors, agents, or End Users). Customer will ensure that all Authorized Users comply with Customer's obligations under this Agreement.— Excerpt from Slack's Slack Terms of Service
REGULATORY LANDSCAPE: Customer responsibility for authorized user conduct is standard in commercial SaaS agreements and enforceable under contract law. However, this provision interacts with data protection law in important ways: under GDPR, the customer (as data controller) bears responsibility for ensuring that all data processing within its Slack environment complies with applicable law, consistent with this contractual allocation of responsibility. Regulatory liability for data protection failures does not flow through Slack's MSA — it applies directly to the organization under applicable law. GOVERNANCE EXPOSURE: Medium. The extension of organizational responsibility to third-party contractors and agents creates exposure for organizations that grant Slack access to external parties without adequate contractual controls. Organizations with large contractor populations or external collaborators via Slack Connect should assess their governance frameworks. JURISDICTION FLAGS: EU/EEA organizations must ensure that their responsibility for authorized user conduct is reflected in adequate data processing controls, employee training, and contractor data processing agreements, as GDPR holds the controller directly liable for compliance failures regardless of contractual allocation to the customer in the MSA. CONTRACT AND VENDOR IMPLICATIONS: Procurement teams should ensure that contractor agreements and third-party access policies clearly address Slack usage, acceptable use obligations, and liability allocation for contractor-caused incidents. This is a standard supply chain due diligence consideration for organizations using Slack Connect or third-party integrations. COMPLIANCE CONSIDERATIONS: Legal and compliance teams should audit Slack access provisioning processes, particularly for contractors and external collaborators, and ensure acceptable use policies are current, acknowledged, and enforceable. Access review and offboarding procedures for Slack accounts are a priority compliance area given this provision.
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Organizations bear full contractual responsibility for user conduct within their Slack workspace, including unauthorized actions by employees, which has direct implications for compliance with acceptable use obligations and indemnification exposure.
Customer organizations carry unlimited contractual responsibility for all user actions in their Slack environment, including those of contractors and third parties; this places the burden of user governance, access control, and acceptable use enforcement entirely on the organization.
No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Slack.