Tempe, Arizona-based LifeLock, the venture backed provider of identity theft protection services, has filed for an IPO, saying Tuesday afternoon that it is looking to raised $175M in its public offering. The firm said it intends to list on the New York Stock Exchange as LOCK. LifeLock is venture backed by Bessemer Venture Partners, Kleiner Perkins Caufield & Byers, Goldman Sachs & Co., Symantec, and Industry Ventures. The company reported net income of $11.5M on revenues of $125.49M for the six months ended June 30, 2012; the firm said it had revenues of $193.95M for the full year 2011. LifeLock's IPO is being underwritten by Goldman, Sachs & Co.; BofA Merrill Lynch; Deutsche Bank Securities; RBC Capital Markets; Canaccord Genuity; and Needham & Company.