Password breach could have ripple effects well beyond Yahoo

As investors and investigators weigh the damage of Yahoo's massive breach to the internet icon, information security experts worry that the record-breaking haul of password data could be used to open locks up and down the web.While it's unknown to what extent the stolen data has been or will be circulating, giant breaches can send ripples of insecurity across the internet."Data breaches on the scale of Yahoo are the security equivalent of ecological disasters," said Matt Blaze, a security resear