Welt.de hacked using an SQL Injection (https://boot24.welt.DE/index_welt..php?ac =***) The Hacker was deeply penetrate into the infrastructure of the Website and copy number information from the database. He has published the links to the excerpts to protest against the sale of user data to a third party operator. So far, only censored excerpts of the database of all 30 264 users were published. However, all data should be made public operators.
Source: https://thehackernews.com/2011/08/weltde-hacked-credit-card-info-of-30264.html