Microsoft’s hacking event, Zero Day Quest, is back and accepting nominations today until October 4th. This year there is up to $5 million in bounty awards, up $1 million on last year’s figure.

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 different organizations as of ...

Unknown attackers exploited a “significant vulnerability” in Microsoft’s SharePoint collaboration software, hitting targets around the world.

CHICAGO -- Microsoft revealed Friday that some of its corporate email accounts were hacked by a Russian-backed group. The tech company said in a blog post that its security team detected the ...

A global attack on Microsoft server software used by thousands of government agencies and businesses to share documents within organizations is likely the work of a single actor, a cybersecurity ...