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

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

Add Yahoo as a preferred source to see more of our stories on Google. Substack has attracted a number of high-profile writers to its newsletter platform — and it's not a secret that the venture-backed ...

Substack is launching the ability for writers to paywall their entire Chat or specific threads to paid or founding members only, the company announced on Wednesday. The rollout of the new feature ...

In a move to scoop up audiences from platforms like TikTok, Instagram, Twitch, and YouTube, Substack is expanding its integrated video tools for creators, adding the ability to stream live. Announced ...

Substack is facing a revolt from some of its writers after a report detailed how neo-Nazi and white supremacist writers—including the notorious alt-right leader Richard Spencer—have been able to make ...