Update 11/20/18 3:00PM:

The issue is now resolved. If you continue having trouble logging into LastPass, please contact the ITS Help Desk at 740-587-6395 or helpdesk@denison.edu.

Original Post 11/20/18 11:00AM:

ITS received and confirmed a report of problems accessing LastPass. The LastPass status page indicates that there is an issue affecting U.S. logins that engineers are currently troubleshooting. This post will be updated as soon as more information is available.