Can I trust where an e-mail says it is from?

Many times we have been contacted by a worried caller, describing a situation where some of their email contacts claim they are sending them spam, and they want to know if they are. Surprisingly, this is a more difficult question to answer than one might think! We are...

Malware in a Nutshell

People talk about malware all the time, but there seems to be a lot of confusion over exactly what it is. Malware – short for ‘Malicious Software’ – is essentially a program that does something you do not want it to do. It might be as...

What is Ubuntu Linux?

Linux, or more properly GNU/Linux, is a community-developed operating system and suite of programs.  Released under the General Public License, it follows the rule of four freedoms: to run the program for any purpose, to study how the program works and change it so it...