Cybersecurity

How Even Emails Leave Robinhood Users Exposed to Financial Criminals

Savvy customers who ignore the latest data breach could pay dearly if they aren’t careful.

Photographer: Tiffany Hagler-Geard/Bloomberg
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Robinhood Markets Inc.’s customers responding with a shrug to a data breach are probably underestimating how even banal details can leave their financial information vulnerable.

Mark Newman, a 54-year-old Robinhood trader from southeast Arkansas, received a notice Monday night saying his email address had been exposed. That was after a hacker stole the personal information of about 7 million users. “I’ve been on the internet since it was born and it’s to be expected,” he said.