deemed the year of java vulnerability. 50% of web attacks are going through the software. the software runs on about 850 million pcs and apple macs out there. it is certainly a good chance that you could be running java writenow. jenna: what can you do to protect yourself if you have the java system? reporter: is one of the things that steve jobs talked about. he said it was not allowed on his computer. with external software comes the problems. if you are a mac user, go to the maxx store, click on your update and uninstall the java update.