Substack won't share official numbers, but it seems like a pretty significant data breach.

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked.

Add Yahoo as a preferred source to see more of our stories on Google. Substack writers are expressing their concerns about the platform’s following feature on social media, which some argue is ...

Newsletter platform Substack lured prominent journalists and writers by pushing a subscription model that allowed them to directly connect with readers who pay them. "Our decision to focus on ...

Substack, a publishing platform known for its newsletter service, announced this week that it had crossed the 2 million paid subscription mark. Given the wealth of historical data we have concerning ...