 MCLEAN, Va.--BUSINESS WIRE--IronNet, Inc. NYSE: IRNT IronNet, an innovative leader transforming cybersecurity through Collective Defense, today announced that General Ret. Keith Alexander, IronNet Founder and co-Chief Executive Officer, will ring the Opening Bell at the New York Stock Exchange tomorrow morning Thursday, Sept. 9 to celebrate the companys recent exchange listing following the completion of its business combination with LGL Systems Acquisition Corp. on August 26, 2 