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

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,

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

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.

Microsoft’s security analysts confirm that a number of cyber attacks on on-premise SharePoint Server users involve ransomware.

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

Microsoft SharePoint servers were targeted in a major cyberattack that cybersecurity experts say could impact over 10,000 companies worldwide, according to a report by Bloomberg. The breach exploited a vulnerability that allowed hackers to access file systems and execute code,

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.