Cybercriminal group targets multiple US retailers after wreaking havoc in UK

Hackers linked to a notorious cybercriminal group have conducted cyberattacks on multiple US retail companies in the last 10 days, prompting the FBI to step up cyber-intelligence briefings for major companies in the sector, three sources familiar with the matter told CNN.

​ Hackers linked to a notorious cybercriminal group have conducted cyberattacks on multiple US retail companies in the last 10 days, prompting the FBI to step up cyber-intelligence briefings for major companies in the sector, three sources familiar with the matter told CNN. Read More Breaking News, Latest News and Videos | CNN