Using a Web browser, look for the open source and freeware intrusion detection tools listed in the chapter. Next, identify two to three commercial...

Using a Web browser, look for the open source and freeware intrusion detection tools listed in the chapter. Next, identify two to three commercial equivalents. What would the estimated cost savings be for an organization to use the open source or freeware versions? What other expenses would the organization need to incur to implement this solution? chapter 5 on this text book principles of incident response and disaster recovery second edition