
How Do Data Breaches Happen? Third Parties and Salesforce Lead in 2026
We classified all 792 breaches in our catalog by the cause the public description names. Only 1 in 4 from

We classified all 792 breaches in our catalog by the cause the public description names. Only 1 in 4 from

Your email breach history is the list of every known breach your address is in, oldest first. Read it as

Should you change your email address after a data breach? Almost never. The three cases where you should, what to

2026 now has 79 breaches in the XposedOrNot catalog by September, the most of any year we track, with three

A leaked email gets you spam. A leaked phone number gets you calls from people who already know your name.

Ask how big a data breach is and the two honest answers are thirteen times apart. Median 1.14 million records,

You can change a leaked password in a minute. Try changing your date of birth. Five things a breach exposes

Verify a domain you own once, take the key from the dashboard, and one POST returns every breach touching your

Four field notes from reading 516 password-leaking breaches, an honest argument with the sceptic about single points of failure, and

516 of 783 catalogued breaches leaked passwords. 83 stored them in plaintext, 206 with weak hashing. At least 56% recoverable.









