Yahoo now thinks all 3B accounts were impacted by 2013 breach, not 1B as thought

  Yahoo now thinks all 3B accounts were impacted by 2013 breach,   not 1B as thought Internet giant Yahoo’s massive 2013 security breach has dealt the company yet another blow. Today Yahoo sent out a notice disclosing that a further investigation of the “cookie forging” breach has produced new evidence. The company now believes that all of…