#Substack confirms data breach affects users’ email addresses and phone numbers
https://techcrunch.com/2026/02/05/substack-confirms-data-breach-affecting-email-addresses-and-phone-numbers/
Comments
https://techcrunch.com/2026/02/05/substack-confirms-data-breach-affecting-email-addresses-and-phone-numbers/
Comments
TechCrunch
Substack confirms data breach affects users' email addresses and phone numbers | TechCrunch
Substack said that customer data was accessed in October 2025 but wasn't discovered until early February.