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

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

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

Substack has allowed for the inclusion of Polymarket embeds into blogs since 2024, and the new update mostly seems like it will streamline the process. Notably, the prediction charts can now be added ...

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, ...

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 ...