Social security number
Claire Benoist for Reader's Digest
“Your social security number is the critical piece of information a thief needs to carry out identity theft,” Velasquez says. Unless you need a copy for a new employer, leave your social security card at home in a secure place.
Because passports are hard to forge, a real one will be accepted more easily than other stolen documents, Velasquez says. Only carry it if it’s your primary identifier—though Velasquez recommends getting a state ID instead. Don’t miss these 26 secrets an identity thief doesn’t want you to know.