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

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

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.

Lynch Carpenter is a national class action law firm with offices in Pennsylvania, California, and Illinois. Our firm has represented millions of clients in data privacy matters for more than a decade ...

The 43rd president of the United States launched a Substack site Feb. 16 with a 1,500-word tribute to a predecessor.

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

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 ...

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 ...