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

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

Substack today announced its Substack TV app for Apple TV, which brings video posts and livestreams from the publications users are subscribed to. Here are the details. While Substack is best known as ...

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

The Republican former president's essay centered on first leader George Washington, from his "humility" to slavery links.

Like clockwork, every Wednesday morning, Russ Thornton, an Atlanta-based advisor who specializes in helping women with retirement planning, publishes a financial newsletter called “Wealthcare for ...

George W. Bush became the latest writer to join Substack on Monday, with the 43rd POTUS launching his blog with a lengthy ...

Substack Inc. today launched Notes, a platform where Substack creators can interact with subscribers and where the entire experience looks very much like Twitter. The differences are only in the ...

The 43rd president of the United States launched a Substack site Feb. 16 with a 1,500-word tribute to a predecessor.