Sources : Yahoo Asia News

Yahoo BB client data likely leaked by insiders: Softbank panel

The massive quantity of client data leaked from Internet service provider Yahoo BB last year in two separate cases was likely obtained by insiders as there was no sign of unauthorized access, an investigative panel said Thursday.
The panel of outside experts set up by Softbank BB Corp., the operator of Yahoo BB, released a report that said the data on 4.6 million customers obtained by a group of three men who tried to blackmail the parent company Softbank Corp. were likely obtained by someone using an authentic password.

In a separate but similar case, another man who tried to extort money from Softbank BB using leaked client data is likely to have obtained the information when he worked at the support center for Yahoo BB users and had access to the data of multiple clients.

The panel, however, said it was unable to make a final judgment as access records at the time were no longer available.

The four men have all been arrested and indicted.
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