http://www.nwfusion.com/news/2001/1217excel.html
Spreadsheet passwords can be foiled by simply copying and pasting. By John Fontana Network World, 12/17/01 REDMOND, WASH. - Microsoft Excel, the predominant spreadsheet in use today, contains a feature that could expose sensitive corporate data once the document is distributed within a company or among trading partners. That feature is drawing an increased level of attention from researchers and Excel users alike as its implications become more fully understood. One expert calls it "as potentially damaging" as many of the most recent viruses. Excel has features that allow spreadsheet creators to hide, lock and/or password-protect data and mathematical calculations used in original documents. These features seemingly provide a measure of data security to conceal specified data from prying eyes. In reality, that data can be exposed by any end user who can execute a simple copy-and-paste procedure. It takes fewer steps to reverse the security than it does to set it up. [...] --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]
