Citing security risks, a state university is urging students to drop Internet Explorer in favor of alternative Web browsers such as Firefox and Safari. In a notice sent to students on Wednesday, Pennsylvania State University's Information Technology Services department recommended that students download other browsers to reduce attacks through vulnerabilities in the Microsoft software. The university said "media reports" and a string of warnings by Carnegie Mellon University's Computer Emergency and Response Team led to its recommendation. "We're not telling people to wipe off IE, because you need IE to do operating-system updates," Robin Anderson, a spokeswoman for Penn State's...