The company said state-backed hacking groups were breaching systems through flaws in SharePoint, which is used by the U.S. government and companies around the world.

Hackers are now using AI to scale attacks, exploit vulnerabilities more quickly and create deceptive content that’s nearly undetectable with traditional defenses.

An investigation is underway after hackers used a security flaw in Microsoft software to internationally infiltrate agencies and businesses over the weekend.

Hackers are exploiting a flaw in a commonly used Microsoft program to gain access to passwords, sensitive data and more.

One password is believed to have been all it took for a ransomware gang to destroy a 158-year-old company and put 700 people out of work. KNP - a Northamptonshire transport company - is just one of tens of thousands of UK businesses that have been hit by such attacks.

A cyber-espionage campaign centered on vulnerable versions of Microsoft's server software now involves the deployment of ransomware, Microsoft said in a late Wednesday blog post.

Arizona officials have “moderate confidence” that the Iranian government or affiliates breached the state’s candidate web portal.