The law enforcement agency said bad actors had figured out how to infect phones with malware using public charging cables.

When Mark Cuban was in his 20s, he had some money-saving ideas. Getting a car for free wasn’t on his list — until he found one on the side of the road.

Despite the rise of sophisticated crypto frauds and ransomware plots, scams that start with phone calls continue to trick Americans out of tens of billions of dollars each year.