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 ...

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 ...

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 ...

Microsoft Exchange Server hack resulted in an infection of more than 21,000 email systems around the world. However, a new report claimed that Brian Krebs could be the reason behind this problem. How ...

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 ...

Victims of a massive global hack of Microsoft email server software — estimated in the tens of thousands by cybersecurity responders — hustled Monday to shore up infected systems and try to diminish ...

The $10 million Ronin bridge exploit on Aug. 6 was caused by a faulty upgrade deployment script, according to a report from blockchain security firm Verichains. The upgrade reduced the voting ...

Released on Monday, the tool is designed to mitigate the threat posed by four actively-exploited vulnerabilities that have collectively caused havoc for organizations worldwide. Microsoft released ...

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.

In a report published on January 7 by SANS Technology Institute, Morphus Labs researcher Renato Marinho revealed what appears to be an ongoing worldwide hacking campaign by multiple attackers against ...