In a rare move, government officials have handed security researchers a seized server believed to be used by North Korean hackers to launch dozens of targeted attacks last year. Known as Operation ...

When hackers corral infected computers into a botnet, they take special care to ensure they don’t lose control of the server that sends commands and updates to the compromised devices. The precautions ...

Researchers have sinkholed a command and control server for a variant of the PlugX malware and observed in six months more than 2.5 million connections from unique IP addresses. Since last September, ...