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

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

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

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.

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.

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

Your morning coffee just turned cold reading this: cybercriminals are exploiting a zero-day vulnerability in Microsoft SharePoint servers, and they don’t even need login credentials. Like digital lockpickers who discovered every office door uses the same broken lock,

Microsoft Corp.’s server software was exploited by unidentified hackers, with analysts warning of widespread cybersecurity breaches across the globe.The Redmond, Washington-based software maker said it had released a new security patch for customers to apply to their SharePoint servers “to mitigate active attacks targeting on-premises servers,