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Attackers use “spoofing” techniques<\/h2>\n\n
The recently identified vulnerability affects SharePoint servers that are hosted independently by companies. According to cyber experts, criminals have already been able to penetrate the IT infrastructures of numerous organizations – affecting both private companies and public sector institutions<\/strong>, as the Washington Post wrote. <\/p>\n\n Microsoft has now confirmed the problem<\/strong>, pointed it out in a blog post and made updates available. The company urgently advises its customers to install these security updates promptly<\/strong>. If this is not possible, servers should be disconnected from the internet as a precaution until a patch can be installed. <\/p>\n\n This type of vulnerability enables attacks through so-called “spoofing<\/strong>” .<\/strong> This involves hackers posing as legitimate users or internal systems and disguising their true identity in order to gain access to sensitive data<\/strong>. <\/p>\n\n <\/p>\n\n Only SharePoint servers hosted by companies themselves<\/strong> are affected. SharePoint Online within Microsoft 365 is not affected, according to Microsoft. The technology company is working closely with US authorities such as the Department of Defense Cyber Command to respond to the incidents. <\/p>\n\n Particularly explosive: according to current expert assessments, the attackers are not only able to steal passwords and data, but also to compromise digital keys.<\/strong> These enable them to gain access to the systems<\/strong> again unnoticed<\/strong> even after the security gap has been closed.<\/p>\n\n The vulnerability discovered is considered “significant” by security experts. They warn of widespread attacks on “thousands” of servers<\/strong> and advise administrators to isolate<\/a><\/strong> their systems or take them offline until a patch has been installed<\/strong>. <\/p>\n\n It is not yet known who is behind the current attacks. According to the Washington Post, the servers of two federal agencies in the USA have already been successfully compromised. The institutions involved have not yet been made public. <\/p>\n\n <\/p>\n\n The current incidents illustrate how important it is to store sensitive files and communication content in a permanently protected manner<\/strong>. In addition to technical protective measures such as security updates and the professional administration of SharePoint servers, the use of a dedicated document management system (DMS)<\/strong> is also recommended. <\/p>\n\nDanger for passwords, data and digital keys <\/h2>\n\n
![\"Microsoft](\"https:\/\/dataglobalgroup.com\/wp-content\/uploads\/2025\/07\/AdobeStock_598391382_Editorial_Use_Only-1024x683.jpeg\")
<\/figure>\n\nBackgrounds of the perpetrators remain unclear<\/h2>\n\n
Act now and prevent data loss<\/h2>\n\n