A sweeping cyberespionage operation targeting Microsoft server software compromised about 100 different organizations as of the weekend, one of the researchers who helped uncover the campaign said ...

Microsoft alerted customers March 3 of previously unknown security flaws within its Microsoft Exchange email server, which a Chinese hacking group has been targeting to steal user data. The group, ...

A branch of the technology company Microsoft can be seen in Manhattan on July 10, 2025. Credit - Sven Hoppe—dpa/Getty Images Dozens of organizations appear to have been affected over the past few days ...

Steven Adair hunts hackers for a living. Back in January, in a corner-of-his-eye, peripheral kind of way, he thought he saw one in his customer's networks — a shadowy presence downloading emails.

Microsoft warns that a cyber-espionage group linked to Russia's Federal Security Service (FSB) is targeting diplomatic missions in Moscow using local internet service providers. The hacking group ...

Dave Lee is Bloomberg Opinion's US technology columnist. He was previously a correspondent for the Financial Times and BBC News. In May, Vietnamese cybersecurity researcher Dinh Ho Anh Khoa uncovered ...

Microsoft warned users that hackers used a security flaw in its server software to attack government agencies and businesses around the world. The federal government, along with those in Canada and ...

A 39-year-old U.K. resident has been arrested and charged with operating a hack-to-trade fraud, which generated millions of dollars by hacking Microsoft Office 365 email accounts. The alleged hacker, ...

WASHINGTON/LONDON (Reuters) -A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the weekend, two of the organizations that helped ...

As details about the cyberattacks on Microsoft SharePoint servers have trickled out, the situation has sounded more and more concerning. Microsoft stock, however, barely has budged. Microsoft ...

When you think of cyberattacks that compromise your account security, maybe you envisage Microsoft zero-day vulnerabilities being exploited in your software, or perhaps a hacker using ...