An Israeli professor’s challenge to his students led to the recent discovery of security flaws in Microsoft’s Cortana voice assistant that allows attackers to take over a locked Windows machine and ...

Cortana, Microsoft’s competitor to Google Now and Apple’s Siri is a virtual assistant that not only takes the stage, but attempts to steal it. Cortana brings new features to the table, including ...

To develop Cortana, Microsoft apparently spoke to a number of “real personal assistants” and learned that they kept track of the interests and preferences of their bosses in a notebook. So Microsoft ...

SEATTLE — Voice-controlled digital assistants such as Apple’s Siri, Google Assistant, Amazon’s Alexa and Microsoft’s Cortana are good at numerous things. They can help people play music, set up ...