Personal ID security provider LifeLock files for $175M IPO . The shares will be listed on the NYSE under the ticker LOCK. Goldman Sachs, BofA Merrill Lynch, Deutsche Bank, RBC, Canaccord and Needham will act as joint bookrunners. The company generated revenue of $194M during 2011 and $125.5M during the six months ended June 30, 2012. LifeLock recorded a net loss of $4.3M for the year ended December 31, 2011.