Update 26.3.2024: While not on the same scale as 2021's Microsoft Exchange Server hack (see below this update), security problems impacting Exchange Server have reemerged. In March 2024's monthly ...

The Cybersecurity and Infrastructure Security Agency (CISA) has instructed US government agencies with on-premise Exchange systems to run Microsoft malware scanners and report results by April 5. CISA ...

A warning that hackers are exploiting vulnerable email servers doesn't qualify as an unusual event in general. But when that warning comes from the National Security Agency, and the hackers are some ...

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 ...

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 ...

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 ...