Question 1

Is Slack (slack.com) SOC 2 certified and where is their Trust Center?

Accepted Answer

Slack operates a OneTrust Trust Center (https://slack.com/trust/security) with a Trust Score of 95/100 and disclosed certifications: CCPA / CPRA, FedRAMP, GDPR, HIPAA, ISO 27001, ISO 27701, ISO 42001 (AI), SOC 2, SOC 3.

Question 2

Does Slack use OpenAI or Anthropic as a sub-processor?

Accepted Answer

Public Trust Center & security page scan for slack.com detected the following AI and cloud sub-processors: Anthropic, OpenAI, Salesforce, Stripe, Vercel.

Question 3

Does Slack charge an Enterprise SSO Tax for SAML / Okta?

Accepted Answer

Slack uses a Per-Seat model (starting paid tier: $4/mo) and Enterprise SSO gating was detected as: Yes (Enterprise Tier).

Trust Platform	OneTrust
Trust Center URL	https://slack.com/trust/security
SPF + DMARC	✅ Enforced
Status Page	Not Published on status.<domain>

Pricing Model	Per-Seat
Starting Paid Tier	$4/mo
Free Tier Available	✅ Yes (PLG)
SSO Tax (SAML Gated)	Yes (Enterprise Tier)
AI Sub-Processors	OpenAI, Anthropic

Slack (slack.com)

🛡️ Trust Center & Posture

💸 Pricing & Enterprise SSO Tax

✅ Verified Compliance Certifications (9)

🤖 Disclosed Cloud & AI Sub-Processors (5)

🔑 Public DNS Identity & Security Stack (1)

⚡ Audit Any Custom Domain or Enrich 10,000+ Leads in Clay.com & n8n