If you’re impacted by the security incident, you’ll hear directly from the brand with an email from Substack's CEO.

Substack said that customer data was accessed in October 2025, but wasn't discovered until early February.

Exclusive: Site takes a cut of subscriptions to content that promotes far-right ideology, white supremacy and antisemitism ...

We keep an eye out for the most interesting stories about Labby subjects: digital media, startups, the web, journalism, strategy, and more. Here’s some of what we’ve seen lately.

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

The hacker claims to have stolen nearly 700,000 Substack user records, including email addresses and phone numbers.

Substack’s new TV app expands the platform beyond newsletters, offering subscribers an easier way to watch video posts and livestreams on Apple TV and Google TV. The post You can now enjoy Substack on ...

"We're moving quickly," Farrah Storr, head of international at Substack, tells THR after hiring Mark Swierszcz as its new ...

Substack has removed several publications for inciting violence, the newsletter publisher said in a statement shared with CNN Tuesday, as writers from across the platform threaten ed to quit over the ...

Peter Geoghegan's investigative news outlet Democracy for Sale has "more than tripled" in terms of both revenue and ...

Add Yahoo as a preferred source to see more of our stories on Google. Subscribe to our brand-new Substack channel all about the Billboard charts — a must-read for music fans, industry professionals ...