At least six attacks have taken place within the last week.
They ranged in location from the Pacific Northwest to the Gulf region to New England. Thieves have stolen over $1 million in attacks so far.
Similar jackpotting attacks spread through Latin America last year.
In recent months, activity around ATM hacking and jackpotting has spiked on the dark web, according to Paulo Shakarian, CEO at threat intelligence firm CYR3CON. The dark web refers to networks of websites that require specific software to access. Some dark web sites are known for criminal activity.