Internet Scams and UCSD (IMAGE) University of California - San Diego Caption Geoff Voelker and Stefan Savage (left to right) are computer science professors from the UC-San Diego Jacobs School of Engineering. They found striking differences between the infrastructure used to distribute spam and the infrastructure used to host the online scams advertised in these unwanted email messages. This discovery should aid in the fight to reduce spam volume and shut down illegal online businesses and malware sites. Credit UC San Diego Usage Restrictions Must credit UC San Diego. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.