Identity theft is a crime. A serious crime. Social Security theft is a crime. A serious crime. Identity Theft Identity (ID) theft is a crime where a thief steals your personal information, such as your full name or social security number, to commit fraud. The identity thief can use your information to fraudulently apply for credit, file taxes, or get medical services. These acts can damage your credit status, and cost you time and money to restore your good name. You may not know that you are the victim of ID theft until you experience a financial consequence (mystery bills,...