If you have a "reasonable" expectation of victimization because your information was breached or you already have been victimized, ask the IRS for an identity protection personal identification number, or IP PIN.

WSJ: Don't Let Tax Cheaters Target You

Among its initiatives, the IRS is now issuing ID theft victims special Identity Protection Personal Identification Numbers (IP PINs), that allow them to distinguish themselves from the fraudsters and get their tax refunds processed.

FORBES: IRS Tips Won't Protect You From Identity Theft Tax Fraud

In a ruling that could fuel debate about online privacy, a federal judge in Seattle has held that IP addresses are not personal information.

FORBES: You are not your computer, rules judge