The digital publishing platform Substack has told some of its users that their data was stolen in a security breach. The ...

On the heels of Instagram rolling out a Reels app for connected TV, newsletter creators can now offer videos and livestreams to subscribers via Apple TV and Google TV.

Substack states that the security flaw has now been fixed and that a full investigation is underway. There are currently no ...

Substack said that customer data was accessed in October 2025, but wasn't discovered until early February.

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 ...

Substack has confirmed a significant data breach that exposed user information, but questions remain about the scale of the breach, and why it remained undetected ...

Newsletter platform Substack has confirmed it suffered a security incident, leading to the compromise of users’ email addresses and phone numbers. Chris Best, the CEO of Substack, notified users of ...

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked.

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 ...