Imagine you’re opening your mail, expecting the usual assortment of grocery store flyers and requests for donations from organizations you’ve never heard of. Instead, you find a highly official-looking letter from a giant corporation you recently did business with. It essentially says, “Dear Valued Customer, we deeply regret to inform you that a hacker named ‘DarkLord99’ currently has your Social Security Number. Have a nice day!” Your heart stops. Suddenly, you’re convinced that somewhere in…