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

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

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.

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

"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 ...

Facing a fractured media landscape and an increasingly skeptical electorate, politicians are turning to podcasts and newsletter platform Substack as direct-to-voter platforms, reshaping how campaigns ...