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 ...

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 ...

Cybersecurity responders are working around the clock to shore up networks hit by last week's hack of Microsoft's Exchange email service — an attack that has impacted hundreds of thousands of ...

According to Check Point Research (CPR), threat actors are actively exploiting four zero-day vulnerabilities tackled with emergency fixes issued by Microsoft on March 2-- and attack attempts continue ...