[Amendment No. 3 to FORM F-1 REGISTRATION STATEMENT Qihoo 360 Technology Co. Ltd. Cayman Islands 7371 Not Applicable (State or Other Jurisdiction of (Primary Standard Industrial (I.R.S. Employer Block 1, Area D, Huitong Times Plaza Corporation Service Company (Name, address, including zip code, and telephone number, including area code, of agent for service) Copies to: st David T. Zhang, Esq.] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the use in this Registration Statement on Amendment No. 3 to Form F-1 of our report dated March 1, 2011, except for Note 23, as to which the date is March 14, 2011 relating to the consolidated financial statements of Qihoo 360 Technology Co. Ltd. (formerly known as “Qihoo Technology]