LONDON — Yahoo is warning users of potentially malicious activity on their accounts between 2015 and 2016, the latest development in the internet company’s investigation of a mega- breach that exposed 1 billion users’ data several years ago.
LONDON — Yahoo is warning users of potentially malicious activity on their accounts between 2015 and 2016, the latest development in the internet company’s investigation of a mega- breach that exposed 1 billion users’ data several years ago.