http://www.cnn.com/TECH/computing/9804/06/computer.security.pm/ CEOs hear the unpleasant truth about computer security Encryption codes are one way for governments and corporations to stop computer hackers 'We can, and must, reduce those vulnerabilities' April 6, 1998 Web posted at: 11:27 p.m. EDT (0327 GMT) From Correspondent Ann Kellan [19]ATLANTA (CNN) -- Computer hackers breaking into government and corporate computers is estimated to be a $10 billion-a-year problem, so CEOs met Monday in Atlanta to hear what government and industry experts are doing about it. They learned, among other things, that the Pentagon alone had 250,000 hacker attempts on its computer system last year, and that computer networks are easy targets. They also learned that there are almost 2,000 Web sites offering tips, tools and techniques to hackers. Among the things a hacker can do is send an e-mail to someone and attach a computer program to it. The attached program will, in the words of one hacker, "open up a back door" into the computer system it was sent to. [snip...]