Substack says hackers accessed user emails, phone numbers, and internal metadata in October 2025, with a database of 697,313 ...

According to The Guardian, several newsletters promoting Nazi ideology and antisemitic conspiracy theories were operating on ...

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

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

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

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

Substack is seeing explosive paid subscription growth this year, with the crazy political environment and a strategic push into audio and video helping it do so. Substack co-founder Hamish McKenzie ...

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 ...

Substack has reached more than 5 million paid subscriptions for the first time, the company said this week. The updated audience total comes just four months after the digital journalism and content ...