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

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 confirms a major data breach exposing user emails and phone numbers. What’s behind the breach, and what’s next?

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

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

700,000 records isn't the same as 700,000 users: Each record is something like an email address or a phone number, which ...

"We're moving quickly," Farrah Storr, head of international at Substack, tells THR after hiring Mark Swierszcz as its new ...

Substack is facing mounting scrutiny after disclosing a security breach that exposed user email addresses, phone numbers and ...

Newsletter platform Substack has confirmed a data breach in an email to users. The company said that in October, an ...

Substack, the newsletter platform co-founded by University of Waterloo and Kik alumni, has added Mark Swierszcz as its first ...