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

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

Forbes contributors publish independent expert analyses and insights. Kristen Bousquet is an influencer and creator monetization coach. Substack is a subscription-based platform that allows writers, ...

Substack is opening up to more users with its recent announcement that anyone can now publish content on its platform without setting up a publication. With the change, Substack is likely looking to ...

“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 ...

With TikTok’s future in the U.S. still uncertain, Substack is doubling down on attracting video creators. As of yesterday, creators can now publish video posts directly from the Substack app—a feature ...

Newsletter platform Substack will require users in the UK to verify their age to comply with the Online Safety Act. The Online Safety Act, which went into effect late ...