
The White House said on Sunday that after a new security fix, computer network operators should take further measures to determine if their devices were targeted in the wake of a hack of Microsoft Corp.'s Outlook email service.
“This is an ongoing threat that is still emerging, and we advise network providers to take it very seriously,” a White House official said, adding that top US security authorities were deciding what actions to take next in the wake of the breach.
Separately on Sunday, CNN announced that the Biden administration was forming a task force to deal with the hack. In a tweet, a White House official said the administration was launching a "whole-of-government response."Although Microsoft issued a patch last week to correct bugs in its email program, the update still leaves open a "back door" that will encourage anyone to obtain access to infected servers and perpetuate further attacks.“We cannot emphasize again that patching and prevention are not remediations if the servers have already been hacked, and any company with a sensitive server must take steps to ascertain if they have already been targeted,” a White House official said.
According to Reuters, the hack has now infected more than 20,000 U.S. organizations, which Microsoft has blamed on China, though Beijing denies any involvement. According to documents from the investigation, those affected tend to host Web copies of Microsoft's email service Outlook on their own computers rather than using cloud servers, potentially saving many big corporations and federal government departments. On Sunday, a Microsoft spokesperson said the firm was partnering with the government and others to assist consumers, and the company encouraged those who were affected to upgrade their applications as soon as possible. The size of the hack has not been revealed by either the corporation or the White House. Microsoft said it was small at first, but the White House voiced alarm last week about the possibility of "a significant number of casualties."According to the source, only a limited number of infected networks have been infiltrated via the back door so far, but further attacks are planned.
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