Changes

<hr>

For all its speed and convenience email is not without a few potential security problems. First and foremost is the fact that it is often transmitted over the public internet rendering confidential information susceptible to interception. Anyone who has used an email account for more than a few days will also be painfully aware of the problems posed by the massive volumes of spam that inundate email in boxes throughout the world. The broad use and accessibility of Instant messaging also brings with it security threats and challenges.

SSL/TLS use cryptography to ensure that data transmitted between a browser and a web site is secured through encryption. The strength of this technology is that it essentially invisible to the user. The only sign that SSL/TLS is being used will the fact that a web site address begins with ''https'' rather than ''http'' and the presence of a small padlock icon on the status bar of some web browsers.

<hr>