453,492 members Yahoo was showed by hacker

The hacker group D33Ds Company has posted on its website a text file indicating the e-mail address and password 453,492 members Yahoo. Based on characteristic features, the information collected through SQL-injection, as a text file contains more than 2,700 names of table rows and columns, as well as the names of 298 variables MySQL.
According to some experts , the service can be hacked Yahoo Voice, because there is a line in the file "dbb1.ac.bf1.yahoo.com", and this subdomain belongs to the voice service.
Link: https://d33ds.co/archive/yahoo-disclosure.txt .
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Yahoo official comment yet. Surely they are "perceived security issues very seriously," and now make up a press release about it.