Yahoo has blamed its massive data breach on a “state-sponsored actor.” But the company isn’t saying why it arrived at that conclusion. Nor has it provided any evidence.

The lingering questions are causing some security experts to wonder why Yahoo isn’t offering more details on a hack that stole account information from 500 million users.

“I think there’s a lot of fishiness going on here,” said Michael Lipinski, the chief security strategist at Securonix.

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Source: Security