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

Substack CEO Chris Best says AI could flood feeds with junk — or empower independent creators to spark a cultural renaissance.

The digital publishing platform Substack has told some of its users that their data was stolen in a security breach. The affected account holders had their email addresses and phone numbers scraped in ...

On Wednesday, Substack announced new features that allow writers to embed Polymarket data directly into their newsletters and in Notes. Substack had previously introduced Polymarket embeds in 2024, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Dominic Lipinski/PA Wire I didn’t go looking for a fight with Britain’s Online Safety Act. But as the CEO of Substack – an online ...

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.

AI could flood feeds with slop or give creators "more creative leverage," said Substack CEO. The CEO of the newsletter platform said attention is the real scarcity in the media landscape. AI-generated ...