Yahoo has warned that it had uncovered a massive cyber-attack which could have compromised more than 1 billion user accounts. If it is to be true, it will be the biggest breach in history. This revelation is being made by Yahoo for accounts compromised in August 2013. Although Yahoo had disclosed it, estimates were made of much lower number.
With this revelations, much anticipated deal with Verizon could have an impact. A Yahoo spokesman told Reuters that the company has been in communication with Verizon during its investigation into the breach and that it is confident the incident will not affect the pending acquisition.
Once, a leading IT service provider, it has been hit with hard time. It has lost most of its business shares to competitors like Google, Facebook and other large technology companies.