Ymail
Marissa Mayer admits that Yahoo still hasn't any idea exactly how the company got hacked
All three billion accounts (most of them unused for years) were compromised in cyber attacks in 2013 and 2014
BT and Sky subcribers may be hit by Yahoo hack
When outsourcing goes wrong...
Gmail, Hotmail and Ymail account details openly traded by Russian mafia
Treasure trove of email account user names and passwords being traded across Russian criminal underworld
Yahoo Mail down as undersea cable is severed
Not known when normal service will be resumed
H4cked off: Work from home? Couldn't Yahoo just work on Ymail?
The furore over Yahoo CEO Marissa Mayer's edict ending working from home at the web company masks deeper strategic challenges