Substack data breach exposed user email addresses and phone numbers for months before CEO Chris Best confirmed the October ...

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked. Here’s what you need to know.

Substack says hackers accessed user emails, phone numbers, and internal metadata in October 2025, with a database of 697,313 ...

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 Wall Street Journal. TechCrunch. Vice. These are just a handful of the media outlets who reached out to me earlier this year for comment in their stories. However, they weren't actually looking ...

Publishing platform Substack and prediction market Polymarket announced a new partnership on Wednesday. The new partnership will allow Substack users to integrate Polymarket’s prediction data directly ...

Substack writers are expressing their concerns about the platform’s following feature on social media, which some argue is suppressing their subscription growth. “Substack is completely gutting their ...

Substack Inc. today launched Notes, a platform where Substack creators can interact with subscribers and where the entire experience looks very much like Twitter. The differences are only in the ...

The 43rd president of the United States launched a Substack site Feb. 16 with a 1,500-word tribute to a predecessor.

WordPress.com is taking on Substack and others with today’s news that its Newsletter product will now support paid subscriptions and premium content. First launched in December, WordPress.com ...