The hacking group SiegedSed released personal data on thousands of employees at the Idaho National Laboratory, the nuclear research lab.

Predatory Sparrow, which has been linked to an attack on an Iranian steel facility last year, reemerged after a long hiatus Monday.

A politically motivated hacking group known as SiegedSec claims to have breached NATO systems and leaked a cache of documents online.

The newly emerged hacking collective has hit targets in a range of NATO countries amid an overall increase in hacktivism.

SiegedSec, a group known for politically motivated hacks and leaks, posted a link to the files in a Telegram channel.

A group that previously hacked Fort Worth, Texas, claimed a cyberattack that affected Halliburton, Shell, Helix Energy and Oceaneering.