Once considered a dirty word, no one today would doubt the importance of security. A decade ago, the world had a shock when the ILOVEYOU worm was unleashed by email, infecting an estimated 10% of computers worldwide. As such exploits became more...

The internet was designed to be easy to use. As its use expanded rapidly, what was needed was a scalable system for associating an internet host's name with its IP address. Therefore, the domain name system (DNS) was developed. DNS is sometimes...

Emails are essential business records and today form the bulk of much of the communications an organisation has internally and with business partners and customers. They, along with their attachments, can contain a goldmine of information and it is...