Microsoft identified three China-based hacking groups targeting SharePoint vulnerabilities in the ongoing cyberattack, and urged customers to ensure they've applied security updates.

Federal cybersecurity officials have issued a warning to Microsoft users about a security flaw allowing hackers to access to certain SharePoint systems.

LONDON >> A security patch released by Microsoft earlier this month failed to fully fix a critical flaw in the U.S. tech company’s SharePoint server software that had been identified at a hacking competition in May,

Microsoft is issuing an emergency fix to close off a vulnerability in Microsoft’s SharePoint software that hackers have exploited to carry out widespread attacks on businesses and at least some federal agencies.

A server vulnerability left unpatched by Microsoft has now escalated from espionage to ransomware, hitting hundreds of victims worldwide.

In yet another alarming example of government systems falling prey to cyber threats, the National Nuclear Security Administration (NNSA) — the U.S. agency

US agency tasked with managing the country's nuclear arsenal is among multiple high-profile victims of a global cyberattack exploiting critical vulnerabilities in Microsoft's SharePoint software.

The cybersecurity vendor has also classified it as a high-severity, high-urgency threat, urging organizations running on-premises Microsoft SharePoint servers to apply the necessary patches with immediate effect, rotate all cryptographic material, and engage in incident response efforts.