Formspring

Formspring, a social question and answer website popular among young teenagers suffered a data breach after which it disabled the users' passwords following a security reasons.

Approximately 420k password hashes were posted to a security forum amid the breach.

Someone broke into one of their development servers and accessed it to extract account information from a production database.

However, the company immediately fixed the hole and upgraded our hashing mechanisms.

Source: https://www.databreaches.net/formspring-resets-28m-passwords-after-development-server-hacked-and-passwords-leaked/

"id": "FOR1511301222",
"linkid": "formspring",
"type": "Breach",
"date": "07/2012",
"severity": "60",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"