A hacker has allegedly stolen a massive trove of sensitive data – including highly classified defense documents and missile ...

A computer hacker is an online security expert who exploits weaknesses in a computer system or network. The term 'white hat' ...

Grubhub Confirms New Data Breach, Hackers Reportedly Demand Ransom ShinyHunters have breached Grubhub’s chat support system and are demanding a Bitcoin payment to prevent the data from being leaked, ...

Add Yahoo as a preferred source to see more of our stories on Google. A person types with gloved hands on an illuminated laptop keyboard. Philip Dulian/dpa Computer hackers believed to be operating ...