Yahoo says servers were exploited using another vulnerability and no data was stolen
Investment could value the messaging app at around $10bn
The company has announced it will retire Yahoo Directory, its 20-year-old human-listed website directory, by the end of the year
Yahoo promises to implement end-to-end PGP encryption by 2015
Yahoo will retain its hugely valuable stake in Alibaba, after 'disapointing' results elsewhere
Yahoo is to buy mobile messaging start-up Blink for talent, not products,, as it looks to build out its mobile…
Yahoo will no longer honour browsers' Do Not Track requests, saying an effective standard has not emerged
The company is reportedly developing advanced mobile search tools, talking to Apple executives
The pressure on Yahoo CEO Marissa Meyer eases somewhat after modest earnings and growth
Yahoo's new CISO promises more after encryption drive
The NSA scandal has eroded user trust in the big US cloud service and storage providers, suggests our latest poll
Yahoo beefs up its security team with a new leader - Alex Stamos, one of the NSA's more vocal critics
Yahoo is to insist that users login via a dedicated a Yahoo ID, and not by using Google or Facebook…
Snowden documents suggest GCHQ was collecting millions of images of law-abiding citizens obtained directly from their webcams during online chats…
Yahoo gives Carnegie Mellon researchers $10 million so they can develop a better version of Apple's Siri
Local reviews and information will boost and improve Yahoo search results
An attack on Yahoo Mail hit the headlines, but Sean Michael Kerner praises the way it was handled
Yahoo admits its Yahoo Mail service was breached by a co-ordinated attack using passwords gathered from elsewhere
Fall in advertising revenues contributes to fourth consecutive quarter of declining fortunes
Google, Microsoft, Facebook, Yahoo and LinkedIn win a battle against the NSA, but the war is far from over
Marissa Mayer sacks Henrique de Castro 15 months after she recruited him from her old boss Google
Yahoo reveals new offerings to compete with the likes of Google and Microsoft
Brits hit hard as malicious ads serve up the Magnitude exploit kit
Following a major email outage and a controversial redesign, Yahoo has brought back the Tabs feature to its email service
Marissa Mayer's apology doesn't wipe out Yahoo's mishandling of its email fail, says Michelle Maisto
The natural language processing technology could help improve search, and do a lot more
Following the NSA scandal, CEO Marissa Mayer is taking decisive measures and introducing SSL across the board
German journalist union advises its members to avoid Google and Yahoo services after NSA snooping allegations
The NSA could have harvested information from fibre optic channels connecting Google data centres