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

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked.

Newsletter platform Substack has confirmed a data breach in an email to users. The company said that in October, an ...

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

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 ...

Cybercriminals have exfiltrated data from Substack. The dataset comprises around 700,000 entries and is available online.

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Substack announced its Substack TV app for Apple TV, which brings video posts and livestreams from the publications users are subscribed to.

Substack, whose text-based subscription platform has reshaped the media business since launching nearly a decade ago, has launched a TV app. The app is in beta and is thus far only available on Apple ...