Four years later, Yahoo still doesn’t know how Russia hacked 3 billion accounts

 On Wednesday, in a security hearing that called both Equifax and Yahoo’s past and present executives to Washington D.C., we’re learning a bit more about what Yahoo didn’t know about the biggest hack in history. When pressed about how Yahoo failed to recognize that 3 billion accounts — and not 500 million as first reported — were compromised in what was later… Read More