 "Hackers, Hacking, Cyber attacks")
Ransom-seeking hackers have begun taking advantage of a recently disclosed flaw in Microsoft's widely used mail server software, the company said early Thursday - a serious escalation that could portend widespread digital disruption.
The disclosure, initially made on Twitter by Microsoft Corp security program manager Phillip Misner and later confirmed by the Redmond, Washington-based company, is the realization of worries that have been coursing through the security community for days.
Since March 2, when Microsoft announced the discovery of serious vulnerabilities in its Exchange software, experts have warned that it was only a matter of time before ransomware gangs began
