Opera Software has finally come out with more details about the recent compromise of its internal infrastructure, the theft of an expired code signing certificate, and the delivery of malware signed with it through the auto-update mechanism to Opera users.
A breach of the Opera Software internal infrastructure has resulted in the theft of an expired Opera code signing certificate and used it to sign a piece of malware, package it and push it out as an update for the Opera browser.
If you are an Opera user who hasn't changed the browser homepage or has visited Opera's Portal homepage (portal.opera.com) on Wednesday, you might want to check you computer for malware.
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