Security at Slack
We take security seriously here at Slack, and we are proud to exceed the industry standard when it comes to protecting your organization.
Compliance certifications and regulations
CSA
Cloud Security Alliance
SOC 2
(Type Ⅱ)
Trust Services Principles
NIST 800-53
National Institute of Standards
and Technology
HIPAA
Health Insurance Portability and Accountability Act
EU/US Privacy Shield
Swiss/US Privacy Shield
Data Privacy Practices
Security features
Data encryption in transit and at rest
SAML-based SSO
SCIM provisioning
Granular app management
Custom message retention
Support for Data Loss Prevention (DLP), Enterprise Mobility Management (EMM), and e-Discovery
(Slack Enterprise Grid only)
Our partners








Security whitepaper
Learn about how Slack ensures the security of your data in our care, and how you can best use Slack to improve security at your company.
SOC 3 Report
Review the independent auditor's public report of Slack's internal controls for security, availability and confidentiality.
Meet Slack’s CSO
Find out what the team is working on in this Q&A with our CSO, Geoff Belknap.
Security questions or issues?
Read more about Security Practices, Privacy Policy, Terms of Service, and GDPR Policy.
Contact us