This analysis describes what Substack'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
Substack now discloses that it shares account identifiers, such as email addresses and usernames, with trusted industry child safety organizations to detect and prevent online child sexual exploitation and abuse. The policy also establishes that Substack will respond to privacy rights requests within one month, or up to three months for complex requests, providing more certainty about response timelines. Additionally, the policy clarifies that direct message recipients may retain messages even if you request deletion or delete your account, which is now explicitly stated rather than implied.
View change record →The updated policy no longer commits to responding to privacy rights requests within one month or within three months for complex requests. This removes a procedural timeline that previously bound Substack's response obligations. Additionally, the explicit disclosure that Substack shares account identifiers with child safety consortia to detect online child sexual exploitation has been removed from the policy, though the practice itself is not stated to have ended. The direct message retention language is now framed more directly: recipients may retain messages even if you request deletion or close your account.
View change record →How other platforms handle this
You and your organization's administrator can access several types of Service Data directly from Google Cloud, including your account information, billing contact information, payment and transaction information, as well as product and communication settings and configurations.
If you choose to reveal any personal information about yourself to other users, you do so at your own risk. We strongly encourage you to use caution in disclosing any personal information online.
When you are asked to provide information, you may decline to do so; but if you choose not to provide information that is necessary to provide some of our Services, you may not be able to use those Services.
"Where you have directed third-party services to provide Personal Information to us, you can direct those third-party service providers to stop providing us your Personal Information.Excerpt from Substack's Privacy Policy
Ad personalization controls removed. Contact scanning added. Advertiser data partnerships quietly dropped. A timeline of every change.
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The clause states: “Where you have directed third-party services to provide Personal Information to us, you can direct those third-party service providers to stop providing us your Personal Information.”
ConductAtlas has identified this type of provision across 290 platforms. See the full comparison.
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