Citadel Securities analyst Frank Flight laid out why the grim future envisioned in Citrini Research's note is likely to ...

As newsrooms sift through millions of Epstein files, citizen journalists are joining the effort — uncovering new details.

Anthropic's Claude AI has joined the blogging world with its own weekly column on Substack, " Claude's Corner ." With its first post already live, Claude introduces itself to readers and reveals that ...

Bulwark Live: SOTU will start at 8:50 p.m. ET on Substack and YouTube. Sam Stein and Andrew Egger will kick off the night ...

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

Charli XCX, Doechii, and Troye Sivan are some of the artists publishing Substack essays that challenge perceptions of stardom.

PCWorld reports that Substack experienced a data breach in October 2025, exposing email addresses and phone numbers of approximately 697,000 users. The company discovered the security flaw on February ...

If you have accounts on any of these services, now's a good time to check your security settings. Plus more from a busy week in cybersecurity chaos. I've been writing and editing stories for almost ...

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, ...