George W. Bush is on Substack. Here's what he said about another George

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

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 ...
Mediaite on MSN

George W Bush launches Substack with love letter to George Washington: ‘For a leader, humility is the ultimate strength’

George W. Bush became the latest writer to join Substack on Monday, with the 43rd POTUS launching his blog with a lengthy ...

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.

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.