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

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

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

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

The digital publishing platform Substack has told some of its users that their data was stolen in a security breach. The ...

The move comes as Substack has been investing more heavily in video and livestreaming, as it looks to compete with platforms like YouTube and Patreon for both creators and viewers.

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

Substack confirms a major data breach exposing user emails and phone numbers. What’s behind the breach, and what’s next?

Substack on Thursday announced the launch of its Creator Accelerator Fund, which provides a $20 million funding guarantee aimed at helping creators grow their audience and move their paid subscribers ...

For those who don’t already know, Luscious Jackson were one of the breakthrough acts of the 1990s, a pioneering all-female quartet that combined alt-rock with hip-hop and R&B influences via hits like ...

As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video creators. As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video ...

Substack took shots at TikTok last week by introducing live videos and offering a $25,000 prize to the creator whose video inspired the most TikTokers to migrate to its platform. But it’s not stopping ...