Over a billion Yahoo accounts hacked in further attack

More than a billion Yahoo users have been hacked in a massive
cyber-attack that the company believes was separate to the breach
that was revealed in September.In a statement that was released after markets closed, the
Nasdaq-listed internet firm revealed the hack which occurred in
2013.It said names, email addresses, telephone numbers, birth dates,
hashed passwords and encrypted or unencrypted answers to security
questions were all thought to have been stolen."Yahoo is notifying potentially affe