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.

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 ...

Twitter’s escalation against Substack reaches a new level. Twitter’s escalation against Substack reaches a new level. Twitter has started marking links to Substack as unsafe. If you click on a link on ...

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 ...

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 ...