Hacking and cyber-espionage groups around the world are attempting to exploit recently disclosed zero-day vulnerabilities in Microsoft Exchange Server, before the window of opportunity closes as ...

WASHINGTON (Reuters) -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.

Microsoft has blamed a state-sponsored hacking group from China for a series of attacks on the company’s Exchange Server product, which is used to deliver email, calendaring, contact, scheduling, and ...

ESET uncovers evidence that at least three other hacking groups that specialize in cyberespionage were exploiting the vulnerabilities before Microsoft publicized the threat. Hackers everywhere are now ...

Hackers exploited a possible security flaw in widely used Microsoft server software over the past few days, it has emerged. The hack which compromised SharePoint servers is currently under ...