SIAC's New Spelling for Safety

The company that runs the computer systems and communications networks that power the New York Stock Exchange and the American Stock Exchange is overhauling the way it views redundancy.

Security concerns that would have seemed inconceivable just a few years ago are now real-world issues we are all struggling to address. As Sept. 11 made painfully clear, all of us in the financial industry are dependent upon one another. Although the floor of the AMEX was severely damaged, SIAC and the NYSE still had the ability to support trading immediately after the collapse of the World Trade Center. Even so, the markets had to be shut down. Roughly 55 percent of all order lines into