According to The Guardian, several newsletters promoting Nazi ideology and antisemitic conspiracy theories were operating on the platform under paid subscription models.

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

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

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

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

"We're moving quickly," Farrah Storr, head of international at Substack, tells THR after hiring Mark Swierszcz as its new Canadian head of partnerships, with more country hires in the works worldwide.

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

Michael Burry escalates smear campaign allegations against Palantir, raising ethical concerns, market scrutiny, and investor fears as the Big Short investor questions conduct and valuation.

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.

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

The company has emailed affected users after a dark web source claims the data of almost 700,000 users was compromised.

Beehiiv's flat-fee model attracts creators and journalists The platform has over 40,000 monthly active users and nearly 15,000 paid subscribers The startup has raised about $49.7 million in total ...