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

Exclusive: Site takes a cut of subscriptions to content that promotes far-right ideology, white supremacy and antisemitism ...

Forbes contributors publish independent expert analyses and insights. Karin Eldor covers entrepreneurs and leaders in fashion & lifestyle. The momentum hasn’t slowed. Every time I went to hit publish ...

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

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

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Today, Substack officially rolled out Notes, the product that creates a feed that allows Substack creators and subscribers to interact. It functions so much like Twitter that it controversially caused ...

What do Alex Berenson, Bari Weiss, and Glenn Greenwald have in common? They’ve all railed against being deplatformed—be it a Twitter ban or the loss of a job at a prestigious publication—only to find ...

About a year ago, writer and University of Berkeley professor Grace Lavery accepted a six-figure deal from Substack, under the newsletter platform's Pro scheme. At the end of January this year, Lavery ...

Substack tested live video last year, allowing Substack Bestsellers (the company’s top users) to stream video and connect with a live audience and even collaborate with other Bestsellers. Now, the ...