- • Three Chinese hacker groups, identified as Linen Typhoon and Violet Typhoon, are exploiting a newly discovered zero-day vulnerability in Microsoft SharePoint, targeting both government and private sector organizations.
- • The vulnerability allows attackers to gain unauthorized access to local SharePoint servers, potentially leading to data theft and password compromise across dozens of organizations.
- • IT security experts emphasize the urgency of patching affected systems, as the exploitation of this vulnerability is already underway, with significant risks to sensitive data.
- • Organizations using SharePoint should immediately assess their systems for exposure and implement necessary security measures to mitigate risks from this attack vector.
Recent cyberattacks attributed to three Chinese hacker groups exploit a zero-day vulnerability in Microsoft SharePoint, affecting numerous government and private sector organizations. This vulnerability allows unauthorized access to local servers, posing severe risks of data theft and credential compromise. Security teams must urgently assess their SharePoint installations for this vulnerability, implement immediate patches, and enhance monitoring for unusual activity. Microsoft has not yet released specific patch versions, so organizations should prioritize system audits and strengthen security protocols to protect against ongoing exploitation.