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 ...

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

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

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

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, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked. Here’s what you need to know.

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 ...

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

As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video creators. As TikTok’s future hangs in the balance, the newsletter platform is trying to scoop up video ...