CNET News.com has a story about security spending (here). The story discusses an institute's report assessing business spending on damages for cyber attacks.
"Security: How IT Managers' Ranking of Microsoft Affects Software Purchasing Decisions," provides rich data on how much bigger businesses spent on overall security last year (e.g., patch management, security repair, losses due to security breaches or virus infections). The report breaks out spending by operating system. By the way, security is not IT decision makers' top priority. Interoperability with existing applications is much more important. The report also reveals which companies IT decision makers rank highest for security and then refines the comparison based on operating system.[via Microsoft Monitor]