Ransom-seeking hackers are taking advantage of Microsoft flaw - expert

FILE PHOTO: Silhouettes of laptop and mobile device users are seen next to a screen projection of Microsoft logo in this picture illustration taken March 28, 2018. REUTERS/Dado Ruvic/Illustration/File Photo

WASHINGTON (Reuters) - Ransom-seeking hackers have begun taking advantage of a recently disclosed flaw in Microsoft's widely used mail server software, a researcher said late Wednesday - a serious escalation that could portend widespread digital disruption.

The disclosure, made on Twitter by Microsoft Corp security program manager Phillip Misner, is the realization of worries that have been coursing through the security community for days.