Updated: A new critical vulnerability impacting Exchange Server is being exploited in the wild.

It was literally hack everybody you can in this short time window and cause as much pandemonium and mayhem as possible." Here's what to know about the Microsoft Exchange exploit: ...

A sweeping cyber espionage operation targeting Microsoft server software compromised about 100 organizations as of the weekend, two of the organizations that helped uncover the campaign said.

Next, test the server. Either configure your mail client to use this server as its SMTP gateway and then send an e-mail to your domain, or if you feel fancy, connect to port 25 on the server using ...

And I’d bet those scripts are trawling Amazon’s range of IP addresses more frequently in hopes of hacking vulnerable rookies.

Apache web server bug grants root access on shared hosting environments Companies using Apache on private, non-shared servers are also at risk, but to a lesser degree.

Oracle app server hack let one attacker mine $226,000 worth of cryptocoins Exploit published in December makes cracking unpatched Oracle servers easy.

Korea Digital Works wants to reward the first hacker to gain access to one of its servers in a 48-hour competition. The prize is a cool $100,000.