PKI Worth the hassle?

As e-mail increasingly substitutes the use of letters and faxes (also to governmental bodies) and as commercial transactions on the web get more and more important to organisations, the need for secure communications equally grows, especially with spoof attacks, interception of transmissions and other hacking methods becoming more widespread and getting more “intelligent” every day. So, if the web is to achieve its true (commercial) potential, it is important that the right technological infrastructure is in place. Public Key Infrastructure (PKI) enabled by cryptography provides a secure basis. Digital signatures use public key infrastructure.

Full article: http://www.net-security.org/article.php?id=460