Is Substack safe?
Review Substack security risks.

Nudge Security provides security profiles for thousands of SaaS apps, including Substack. This public profile has the basics you’ll need for a vendor risk assessment. For more details on Substack, including breach history, start a free trial of Nudge Security.
Substack Security Profile

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 LOCATION

Who's Using Substack in your org?

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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

STATUS PAGE

SUBDOMAINS

  • cdn.substack.com
  • support.substack.com
Substack breach history
Has Substack experienced a recent breach? Start a free trial of Nudge Security for a full breach history and other security program details.
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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 OAuth Grants
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Supply Chain

Apps in Substack's supply chain
  • Zendesk
  • Amazon Web Services (AWS)
  • Mailgun
  • Google Workspace
  • Google Analytics
  • Sentry
  • Google Tag Manager
  • SendGrid
Substack supply chain breach history
Has Substack experienced a recent supply chain breach? Start a free trial of Nudge Security for a full breach history and other security program details.
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