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.

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

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

Substack on Thursday announced the launch of its Creator Accelerator Fund, which provides a $20 million funding guarantee aimed at helping creators grow their audience and move their paid subscribers ...

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 ...

Substack now lets users subscribe to any paid publication via an in-app purchase from the official iOS app. The news comes after the company tested the feature with 30,000 creators. This makes ...