A security patch Microsoft released this month failed to fully fix a critical flaw in the U.S. tech giant's SharePoint server software, opening the door to a sweeping global cyber espionage effort, a timeline reviewed by Reuters shows.

Microsoft has issued an emergency fix to close off a vulnerability in Microsoft’s widely-used SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at leas...

Bloomberg reported that no sensitive or classified information is known to have been compromised in the attack on the National Nuclear Security Administration, the agency responsible for maintaining ...