INFOCROSSING, INC. AND SUBSIDIARIES EXHIBIT 23 CONSENT OF ERNST & YOUNG, LLP CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-46720) pertaining to the Amended and Restated 1992 Stock Option and Stock Appreciation Rights Plan of Infocrossing, Inc. (formerly Computer Outsourcing Services, Inc. and Subsidiaries) and Registration Statements (Form S-3 No. 333-45663 and Form S-3 No. 33-94040) of our report dated February 21, 2001, with respect to the consolidated financial statements and schedule of Infocrossing, Inc. included in the Annual Report (Form 10-K) for the two-month period ended December 31, 2000. /s/ ERNST & YOUNG LLP New York, New York March 27, 2001 X-19