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 ...

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

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 ...

Substack won't share official numbers, but it seems like a pretty significant data breach.

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

Newsletter platform Substack has confirmed it suffered a security incident, leading to the compromise of users’ email addresses and phone numbers. Chris Best, the CEO of Substack, notified users of ...

Publishing platform Substack is making money from newsletters that promote far-right ideologies and antisemitism, The ...

Well, shit. I had several Substack subscriptions that I enjoyed. However, continuing to read those subscriptions would be like continuing to go to a Nazi bar because there are some entertaining ...