Software makers around the world are scrambling to fix a serious bug in the technology used to transfer information securely on the Internet. The flaw lies in the SSL protocol, best known as the technology used for secure browsing on Web sites beginning with HTTPS, and lets attackers intercept secure SSL (Secure Sockets Layer) communications between computers using what's known as a man-in-the-middle attack.
Although the flaw can only be exploited under certain circumstances, it could be used to hack into servers in shared hosting environments, mail servers, databases, and many other secure applications, according to Chris Paget, a security researcher who has studied the issue.

The link for this article located at Network World is no longer available.