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It says they're "irretrievable", which isn't necessarily the same thing. That you can't get that data back doesn't mean it's no longer stored by Slack in a way
by throwanem 7y ago
It says they're "irretrievable", which isn't necessarily the same thing. That you can't get that data back doesn't mean it's no longer stored by Slack in a way that a sufficiently severe compromise of their infrastructure might reveal.
- gtirloni 7y agoI doubt they keep customer data after you're not a customer anymore. Sure, they could be lying but we don't have information pointing to that, do we? They are subject (or have subjected themselves) to various security standards: https://slack.com/intl/en-ie/security https://slack.com/intl/en-ie/security And their security whitepaper [0] mentions: Customer data is removed immediately upon deletion by the end user or upon expiration of message retention as configured by the customer administrator It would be a stretch to say a message is deleted permanently but a workspace is kept forever, for unknown reasons. Occam's razor and stuff. 0 - https://a.slack-edge.com/78b2/marketing/downloads/security/Security_White_Paper_2019.pdf https://a.slack-edge.com/78b2/marketing/downloads/security/S...
- bmurphy1976 7y agoIt probably means the data is encrypted at rest and they discard the encryption key. Of course I doubt we'll ever know because they won't give us that level of detail unless they are compelled to.