Is Slack Safe?
Slack — Nerq Trust Score 63.0/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-04-02.
Use Slack with some caution. Slack is a SaaS platform (no customer data was affected) with a Nerq Trust Score of 63.0/100 (C+), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 77/100. Popularity: 0/100. Data sourced from company registration, SOC 2/ISO 27001 certifications, privacy policy analysis, and app store metadata. Last updated: 2026-04-02. Machine-readable data (JSON).
Is Slack safe?
CAUTION — Slack has a Nerq Trust Score of 63.0/100 (C+). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Slack's trust score?
Slack has a Nerq Trust Score of 63.0/100, 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 77/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
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 software — 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
Review the project for recent activity and known issues.
You can also check the trust score via API: GET /v1/preflight?target=Slack
Key Safety Concerns for softwares
When evaluating any software, watch for: maintenance status, security.
Trust Assessment
Slack has a Nerq Trust Score of 63/100 (C+) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Slack has a Trust Score of 63/100 (C+).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 77/100 |
| Privacy | 50/100 |
| Reliability | 60/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
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: 77/100. 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 63.0/100 (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 (77/100), privacy (50/100), reliability (60/100), transparency (60/100), maintenance (60/100). 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.
This page was last reviewed on April 02, 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 assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.