Substack Breach May Have Leaked Nearly 700,000 User Details Online

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

This Substack Data Breach May Have Compromised Nearly 700,000 User Records

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

Substack data breach exposes emails and phone numbers

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

Snap to launch creator subscriptions in push to diversify revenue

Snap is entering a crowded market, with Patreon, Substack and OnlyFans built around paid memberships, while YouTube and ...

Substack Hacked — What 50 Million Users Need To Know

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 confirms data breach affects users’ email addresses and phone numbers

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

Substack Discloses Security Incident After Hacker Leaks Data

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

Substack profited from Nazi propaganda, antisemitic conspiracy newsletters, investigation finds

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

Substack surpasses 5 million paid subscriptions

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 ...