The alert below has been resolved. Affected computers should be automatically downloading the corrected virus definitions. (Posted at 9:10 a.m.)

Issue Affecting Sophos Endpoint Security (September 19)
Some users are currently receiving pop-up messages indicating that Sophos, the university's antivirus program, has detected the virus "Shh/Updater-B." This is a false-positive result. Users should ignore these messages.

We are working with Sophos to resolve this issue.