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SaaSGuard Risk Report
Slack
slack.com
Generated May 4, 2026
Grade —
Score: — / 100
Executive summary
We analyzed Slack’s Terms of Service across 8 risk dimensions and found 0 flagged clauses across 0 categories. 1 material change detected in the recent crawl history.
Recent material changes
5/16/2024 · severity 5
Slack flipped its AI training default from opt-in to opt-out, with the only opt-out path being an email from the Workspace Owner to support. The previous version explicitly excluded customer messages from any non-customer-specific model training.
Every team using Slack for confidential business discussions whose admin hasn't yet emailed Slack support to opt out. Anything posted before opt-out may already be in training pipelines.
Flagged clauses by category
No flagged clauses found. This vendor scores cleanly on every risk dimension.
Methodology
SaaSGuard uses an automated pipeline: a daily Playwright crawler captures each vendor’s public Terms of Service, Privacy Policy, and DPA. Google’s Gemini 2.5 Flash classifies each clause into one of 8 risk categories with a severity score (1–5). Clauses are cross-referenced against a curated database of real lawsuits and FTC actions via embedding-based similarity matching. Grades are computed from per-category max severity; full source code is available on request.