Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT To the Board of Directors and Shareholders Data Systems & Software Inc.: We consent to the use of our report dated March 8, 2002 with respect to the consolidated balance sheets of Data Systems & Software Inc. and subsidiaries as of December 31, 2000 and 2001, and the related consolidated statements of operations and comprehensive income (loss), changes in shareholders' equity and cash flows for each of the years in the two year period ended December 31, 2001, incorporated herein by reference, and to the reference to our firm under the heading "Experts" in the prospectus. Our report refers to a change in accounting for purchase method business combinations completed after June 30, 2001. /s/ KPMG LLP Short Hills, New Jersey January 2, 2003 II-6