Consumer loyalty programs pose privacy risks through extensive data collection

Retail and fast-food loyalty programs are collecting extensive consumer data that may pose significant privacy and security risks. Financial experts warn that these programs are designed to monetize personal information, including shopping habits, locations, income levels, and health concerns, by selling it to data brokers.

This data can be used to build detailed consumer profiles and may facilitate sophisticated scams or social engineering attacks. Experts suggest protecting privacy by using different email accounts for sign-ups, employing Virtual Private Networks (VPNs), and avoiding the disclosure of phone numbers.

A recent investigation into McDonald's revealed the scale of this surveillance. Using California privacy laws, a reporter obtained a 515-page record of his activity. The file included years of orders and reward-program data, as well as predictive analytics. The company used the information to categorize the reporter into specific marketing segments, such as “Food-Led Afternoon Snack,” and provided projections regarding his future spending and visit frequency.