The Wall Street Journal: Should You Make Up Personal Information When Signing Up With Websites?

“It’s a common technique for individuals to use false or pseudonymous contact information and birthdays and other personal details,” says John Davisson, senior counsel and director of litigation at the nonprofit Electronic Privacy Information Center. “So that in the event of a breach, or in the event that the company you’re providing information to wants to use it in some way, like targeted advertising or to sell to a data broker, you’re protected because the information is not high-fidelity information and not going to be of use.” 

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