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

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.

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 ...

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

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 ...

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

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

“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 ...