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.

The hacker claims to have stolen nearly 700,000 Substack user records, including email addresses and phone numbers.

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

Newsletter startup Substack is expanding its comics vertical with the addition of six new projects by comic writers joining the platform on Monday. As the newsletter business has grown, companies ...

The Wall Street Journal. TechCrunch. Vice. These are just a handful of the media outlets who reached out to me earlier this year for comment in their stories. However, they weren't actually looking ...

Substack, the flourishing four-year-old newsletter company, has always touted itself as a savior. It was a way to make real money from writing without the hand-to-mouth hustle of freelancing. You ...

WordPress.com is taking on Substack and others with today’s news that its Newsletter product will now support paid subscriptions and premium content. First launched in December, WordPress.com ...