Is Slack Safe?
Slack — Nerq Trust Score 59.5/100 (C grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-12
Slack is a SaaS platform (no customer data was affected) with a Nerq Trust Score of 59.5/100 (C), based on 3 independent data dimensions. Last analyzed: 2026-04-12 Security: 90/100. Popularity: 75/100. Data sourced from company registration, SOC 2/ISO 27001 certifications, privacy policy analysis, and app store metadata. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Slack safe?
Trust Score Breakdown — Slack has a Nerq Trust Score of 59.5/100 (C). Measured across 2 independent trust signals (as of 2026-04-12).
What is Slack's trust score?
Slack has a Nerq Trust Score of 59.5/100, earning a C grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Slack?
Slack's strongest signal is security at 90/100. No known vulnerabilities have been detected.
What is Slack and who maintains it?
| Author | Unknown |
| Category | SaaS |
| Source | N/A |
SaaS Assessment
Security & Compliance
Slack holds: SOC 2, ISO 27001, FedRAMP.
Security History
In 2023, Slack disclosed that employee tokens were stolen via a compromised GitHub repository. No customer data was affected.
Slack Across Platforms
Same developer/company in other registries:
Similar Saas by Trust Score
Safety Guide: Slack
What is Slack?
Slack is a SaaS platform — Slack is a business communication platform owned by Salesforce (acquired 2021 for $27.7B). Founded 2013. 200,000+ paid customers. SOC 2, ISO 27001, FedRAMP certified. Features include channels, direct.
How to Verify Safety
Check SOC 2 compliance. Review data handling and incident history.
You can also check the trust score via API: GET /v1/preflight?target=Slack
Key Safety Concerns for SaaS platform
When evaluating any SaaS platform, watch for: data security, compliance certifications, incident history.
Measured Signals
Slack has a Nerq Trust Score of 60/100 (C). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Slack has a Trust Score of 60/100 (C).
- The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
- Query the current measured values via the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 50/100 |
| Popularity | 75/100 |
| Quality | 40/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from company registration, SOC 2/ISO 27001 certifications, privacy policy analysis, and app store metadata.
What data does Slack collect?
Slack is a SaaS platform. Slack is a business communication platform owned by Salesforce (acquired 2021 for $27.7B). Founded 2013. 200,000+ paid customers. SOC 2, ISO 27001, FedRAMP certified. Features include channels, direct messages, huddles, and workflow automation. In 20
Privacy score: 50/100. As a SaaS platform, Slack processes user data in the cloud. Review the privacy policy for details on data retention, third-party sharing, and data processing locations.
For business use, request a Data Processing Agreement (DPA) and verify GDPR compliance before uploading sensitive data.
Full analysis: Slack Privacy Report · Privacy review
Is Slack secure?
Security score: 90/100. Slack is a business communication platform owned by Salesforce (acquired 2021 for $27.7B). Founded 2013. 200,000+ paid customers. SOC 2, ISO 27001, Fe
Check Slack's security page for certifications such as SOC 2 Type II, ISO 27001, or GDPR compliance documentation. These certifications indicate that the vendor follows established security practices and undergoes regular audits.
For enterprise deployments, verify SSO/SAML support, role-based access control, and audit logging capabilities.
Full analysis: Slack Security Report
Slack Across Platforms
Same developer/company in other registries:
How we calculated this score
Slack's trust score of 59.5/100 (C) is computed from company registration, SOC 2/ISO 27001 certifications, privacy policy analysis, and app store metadata. The score reflects 5 independent dimensions: security (90/100), maintenance (50/100), popularity (75/100), quality (40/100), community (35/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
Signals last measured on April 12, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.