Adam D’Angelo / The Quora Blog:

Quora says it discovered a data breach on Nov. 30 affecting about 100M users, exposing names, email addresses, hashed passwords, and other non-public content  —  We recently discovered that some user data was compromised as a result of unauthorized access to one of our systems by a malicious third party.

Quora says it discovered a data breach on Nov. 30 affecting about 100M users, exposing names, email addresses, hashed passwords, and other non-public content (Adam D'Angelo/The Quora Blog)
Source: Tech Meme