Newsletter platform Substack has confirmed a data breach in an email to users. The company said that in October, an “unauthorized third party” accessed user data, including email addresses, phone ...

Substack is on the rise, with celebs like Charli XCX and Rosalía joining. Experts and creators dissect its appeal.

Newsletter platform Substack is notifying users of a data breach after attackers stole their email addresses and phone numbers in October 2025. Although the incident occurred four months ago, CEO ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Substack Breach May Have Leaked Nearly 700,000 User Details Online Your email has been sent A popular home for independent writers is dealing with a security scare. Substack has confirmed that hackers ...

Newsletter platform Substack has confirmed it suffered a security incident, leading to the compromise of users’ email addresses and phone numbers. Chris Best, the CEO of Substack, notified users of ...

On the heels of Instagram rolling out a Reels app for connected TV, newsletter creators can now offer videos and livestreams to subscribers via Apple TV and Google TV. By Etan Vlessing Canada Bureau ...

The company has emailed affected users after a dark web source claims the data of almost 700,000 users was compromised. Substack, a high-profile publishing platform widely used by academics, ...