BT investigates Yahoo hack, tells BT Yahoo mail users to reset

With at least 500 million Yahoo users exposed by the 2014 hack, other services are also advising customers to reset their passwords.

Yahoo faces questions over delay in data breach revelation

Yahoo's ID Land Rush Begins Today With Updated Security Measures

BT investigates Yahoo hack, tells BT Yahoo mail users to reset

US charges Russian spies over Yahoo breach - BBC News

How to recover your deleted contacts in BT Yahoo Mail

How to check if your BT Mail or Sky UK account was HACKED

Yahoo at last admits that it was hacked in 2014

Yahoo hack saw EIGHT MILLION British users had their personal data

BT Mail problems - I don't seem to be receiving some or all of my

Yahoo hack saw EIGHT MILLION British users had their personal data

Yahoo 'state' hackers stole data from 500 million users - BBC News

Yahoo hack saw EIGHT MILLION British users had their personal data