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

Newsletter platform Substack has confirmed a data breach in an email to users. The company said that in October, an ...

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

Substack states that the security flaw has now been fixed and that a full investigation is underway. There are currently no ...

Forbes contributors publish independent expert analyses and insights. Karin Eldor covers entrepreneurs and leaders in fashion & lifestyle. The momentum hasn’t slowed. Every time I went to hit publish ...

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

As our design editor Daniel John recently stated, Substack is the best place on the internet. I happen to agree, and after much deliberation, I recently started my first Substack about having bipolar ...

"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.

On the heels of Instagram rolling out a Reels app for connected TV, newsletter creators can now offer videos and livestreams to subscribers via Apple TV and Google TV.

In 2025, everybody in fashion has a Substack. At least, that’s what it looks like, judging by my increasingly crowded inbox. Has it reached a saturation point? In March, Substack hit five million paid ...

“We’re going to rescue the smart people from TikTok!” Substack CEO Chris Best wrote in a Note posted Monday. If you’ve been on your Substack newsfeed lately, you’ve likely seen the platform rolling ...