Is Substack safe?
Review Substack security risks.

The following security profile for Substack includes the basics you’ll need for a vendor risk assessment: security certifications, supply chain details, privacy policy, terms of service, GDPR compliance, and more.
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Substack
Substack Organization Details

Category

Organization Details

What is Substack?

With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple, so you don't have to be tech savvy. Your audience can pay you directly through subscriptions, with no ads to get in the way. Writers and podcasters can own their intellectual property, keep their mailing list, and start a media business.

Headquarters

Hosting

Hosting locations

Security Program

Security Certifications

SOC2 Compliance
PCI Compliant
HIPAA Compliant
SOC2 Compliance
SOC 2 Compliant
GDPR Compliant
ISO 27001 Compliant
FedRamp Compliant
CSA Star Level 1
Compliant

Security Page

Security Portal

Bug Bounty

Vulnerability Disclosure

Terms of Service

https://substack.com/tos

Privacy Policy

https://substack.com/privacy

Status Page

Authentication

Authentication / SSO

Supported Okta Features
Login with Google support
Login with Microsoft support
Supports SSO
Two-factor authentication via SMS
Two-factor authentication via E-mail
Two-factor authentication via Hardware
Two-factor authentication via Software
Two-factor authentication via TOTP
Two-factor authentication via U2F

OAuth Details

Substack Supply Chain
  • Zendesk
  • Amazon Web Services (AWS)
  • Mailgun
  • Google Workspace
  • Google Analytics
  • Sentry
  • Google Tag Manager
  • SendGrid
Substack Subdomains
  • cdn.substack.com
  • support.substack.com

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Resources
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Company
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Assurance
Trust & SecurityTerms & ConditionsPrivacy PolicySitemap

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